Home / 28,182.74-38,892.10-16,246.02

Finding the Fourth Proportional to 28,182.74, 38,892.10 and 16,246.02

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Solution

The fourth proportional to 28,182.74, 38,892.10 and 16,246.02 is: 22,419.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,182.74 : 38,892.10 = 16,246.02 : x
  2. Step 2: Convert to fraction form
    28,182.74/38,892.10 = 16,246.02/x
  3. Step 3: Cross multiply
    28,182.74x = 38,892.10 × 16,246.02
  4. Step 4: Simplify right side
    28,182.74x = 631,841,834.44
  5. Step 5: Solve for x
    x = 631,841,834.44/28,182.74
  6. Step 6: Final answer
    x = 22,419.46

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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.