Home / 19,199.36-26,507.39-18,267.15

Finding the Fourth Proportional to 19,199.36, 26,507.39 and 18,267.15

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Solution

The fourth proportional to 19,199.36, 26,507.39 and 18,267.15 is: 25,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,199.36 : 26,507.39 = 18,267.15 : x
  2. Step 2: Convert to fraction form
    19,199.36/26,507.39 = 18,267.15/x
  3. Step 3: Cross multiply
    19,199.36x = 26,507.39 × 18,267.15
  4. Step 4: Simplify right side
    19,199.36x = 484,214,477.31
  5. Step 5: Solve for x
    x = 484,214,477.31/19,199.36
  6. Step 6: Final answer
    x = 25,220.34

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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.