Home / 27,166.34-40,761.20-13,136.92

Finding the Fourth Proportional to 27,166.34, 40,761.20 and 13,136.92

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Solution

The fourth proportional to 27,166.34, 40,761.20 and 13,136.92 is: 19,711.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,166.34 : 40,761.20 = 13,136.92 : x
  2. Step 2: Convert to fraction form
    27,166.34/40,761.20 = 13,136.92/x
  3. Step 3: Cross multiply
    27,166.34x = 40,761.20 × 13,136.92
  4. Step 4: Simplify right side
    27,166.34x = 535,476,689.46
  5. Step 5: Solve for x
    x = 535,476,689.46/27,166.34
  6. Step 6: Final answer
    x = 19,711.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.