Home / 15,136.12-22,708.32-10,781.32

Finding the Fourth Proportional to 15,136.12, 22,708.32 and 10,781.32

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Solution

The fourth proportional to 15,136.12, 22,708.32 and 10,781.32 is: 16,174.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136.12 : 22,708.32 = 10,781.32 : x
  2. Step 2: Convert to fraction form
    15,136.12/22,708.32 = 10,781.32/x
  3. Step 3: Cross multiply
    15,136.12x = 22,708.32 × 10,781.32
  4. Step 4: Simplify right side
    15,136.12x = 244,825,664.58
  5. Step 5: Solve for x
    x = 244,825,664.58/15,136.12
  6. Step 6: Final answer
    x = 16,174.93

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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.