Home / 20,537.17-28,340.12-11,584.14

Finding the Fourth Proportional to 20,537.17, 28,340.12 and 11,584.14

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Solution

The fourth proportional to 20,537.17, 28,340.12 and 11,584.14 is: 15,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,537.17 : 28,340.12 = 11,584.14 : x
  2. Step 2: Convert to fraction form
    20,537.17/28,340.12 = 11,584.14/x
  3. Step 3: Cross multiply
    20,537.17x = 28,340.12 × 11,584.14
  4. Step 4: Simplify right side
    20,537.17x = 328,295,917.70
  5. Step 5: Solve for x
    x = 328,295,917.70/20,537.17
  6. Step 6: Final answer
    x = 15,985.45

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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.