Home / 20,598.57-28,425.94-11,167.13

Finding the Fourth Proportional to 20,598.57, 28,425.94 and 11,167.13

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Solution

The fourth proportional to 20,598.57, 28,425.94 and 11,167.13 is: 15,410.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598.57 : 28,425.94 = 11,167.13 : x
  2. Step 2: Convert to fraction form
    20,598.57/28,425.94 = 11,167.13/x
  3. Step 3: Cross multiply
    20,598.57x = 28,425.94 × 11,167.13
  4. Step 4: Simplify right side
    20,598.57x = 317,436,210.50
  5. Step 5: Solve for x
    x = 317,436,210.50/20,598.57
  6. Step 6: Final answer
    x = 15,410.59

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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.