Home / 22,029.68-30,400.14-11,957.91

Finding the Fourth Proportional to 22,029.68, 30,400.14 and 11,957.91

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Solution

The fourth proportional to 22,029.68, 30,400.14 and 11,957.91 is: 16,501.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,029.68 : 30,400.14 = 11,957.91 : x
  2. Step 2: Convert to fraction form
    22,029.68/30,400.14 = 11,957.91/x
  3. Step 3: Cross multiply
    22,029.68x = 30,400.14 × 11,957.91
  4. Step 4: Simplify right side
    22,029.68x = 363,522,138.11
  5. Step 5: Solve for x
    x = 363,522,138.11/22,029.68
  6. Step 6: Final answer
    x = 16,501.47

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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.