Home / 27,913.36-38,522.58-15,980.44

Finding the Fourth Proportional to 27,913.36, 38,522.58 and 15,980.44

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Solution

The fourth proportional to 27,913.36, 38,522.58 and 15,980.44 is: 22,054.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,913.36 : 38,522.58 = 15,980.44 : x
  2. Step 2: Convert to fraction form
    27,913.36/38,522.58 = 15,980.44/x
  3. Step 3: Cross multiply
    27,913.36x = 38,522.58 × 15,980.44
  4. Step 4: Simplify right side
    27,913.36x = 615,607,778.34
  5. Step 5: Solve for x
    x = 615,607,778.34/27,913.36
  6. Step 6: Final answer
    x = 22,054.23

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.