Home / 20,606.44-28,424.08-18,086.52

Finding the Fourth Proportional to 20,606.44, 28,424.08 and 18,086.52

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Solution

The fourth proportional to 20,606.44, 28,424.08 and 18,086.52 is: 24,948.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,606.44 : 28,424.08 = 18,086.52 : x
  2. Step 2: Convert to fraction form
    20,606.44/28,424.08 = 18,086.52/x
  3. Step 3: Cross multiply
    20,606.44x = 28,424.08 × 18,086.52
  4. Step 4: Simplify right side
    20,606.44x = 514,092,691.40
  5. Step 5: Solve for x
    x = 514,092,691.40/20,606.44
  6. Step 6: Final answer
    x = 24,948.16

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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.