Home / 22,708.42-31,319.87-14,753.21

Finding the Fourth Proportional to 22,708.42, 31,319.87 and 14,753.21

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Solution

The fourth proportional to 22,708.42, 31,319.87 and 14,753.21 is: 20,347.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,708.42 : 31,319.87 = 14,753.21 : x
  2. Step 2: Convert to fraction form
    22,708.42/31,319.87 = 14,753.21/x
  3. Step 3: Cross multiply
    22,708.42x = 31,319.87 × 14,753.21
  4. Step 4: Simplify right side
    22,708.42x = 462,068,388.92
  5. Step 5: Solve for x
    x = 462,068,388.92/22,708.42
  6. Step 6: Final answer
    x = 20,347.89

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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.