Home / 22,770.73-31,423.55-12,699.19

Finding the Fourth Proportional to 22,770.73, 31,423.55 and 12,699.19

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Solution

The fourth proportional to 22,770.73, 31,423.55 and 12,699.19 is: 17,524.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,770.73 : 31,423.55 = 12,699.19 : x
  2. Step 2: Convert to fraction form
    22,770.73/31,423.55 = 12,699.19/x
  3. Step 3: Cross multiply
    22,770.73x = 31,423.55 × 12,699.19
  4. Step 4: Simplify right side
    22,770.73x = 399,053,631.92
  5. Step 5: Solve for x
    x = 399,053,631.92/22,770.73
  6. Step 6: Final answer
    x = 17,524.85

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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.