Home / 22,020.39-30,358.40-14,934.51

Finding the Fourth Proportional to 22,020.39, 30,358.40 and 14,934.51

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Solution

The fourth proportional to 22,020.39, 30,358.40 and 14,934.51 is: 20,589.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,020.39 : 30,358.40 = 14,934.51 : x
  2. Step 2: Convert to fraction form
    22,020.39/30,358.40 = 14,934.51/x
  3. Step 3: Cross multiply
    22,020.39x = 30,358.40 × 14,934.51
  4. Step 4: Simplify right side
    22,020.39x = 453,387,753.71
  5. Step 5: Solve for x
    x = 453,387,753.71/22,020.39
  6. Step 6: Final answer
    x = 20,589.45

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Double scale
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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.