Home / 22,543.11-31,086.45-14,990.67

Finding the Fourth Proportional to 22,543.11, 31,086.45 and 14,990.67

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Solution

The fourth proportional to 22,543.11, 31,086.45 and 14,990.67 is: 20,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,543.11 : 31,086.45 = 14,990.67 : x
  2. Step 2: Convert to fraction form
    22,543.11/31,086.45 = 14,990.67/x
  3. Step 3: Cross multiply
    22,543.11x = 31,086.45 × 14,990.67
  4. Step 4: Simplify right side
    22,543.11x = 466,006,713.42
  5. Step 5: Solve for x
    x = 466,006,713.42/22,543.11
  6. Step 6: Final answer
    x = 20,671.80

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Double scale
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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.