Home / 27,598.52-38,001.62-20,802.42

Finding the Fourth Proportional to 27,598.52, 38,001.62 and 20,802.42

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Solution

The fourth proportional to 27,598.52, 38,001.62 and 20,802.42 is: 28,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,598.52 : 38,001.62 = 20,802.42 : x
  2. Step 2: Convert to fraction form
    27,598.52/38,001.62 = 20,802.42/x
  3. Step 3: Cross multiply
    27,598.52x = 38,001.62 × 20,802.42
  4. Step 4: Simplify right side
    27,598.52x = 790,525,555.91
  5. Step 5: Solve for x
    x = 790,525,555.91/27,598.52
  6. Step 6: Final answer
    x = 28,643.76

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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.