Home / 22,677.67-31,295.30-12,607.05

Finding the Fourth Proportional to 22,677.67, 31,295.30 and 12,607.05

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Solution

The fourth proportional to 22,677.67, 31,295.30 and 12,607.05 is: 17,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,677.67 : 31,295.30 = 12,607.05 : x
  2. Step 2: Convert to fraction form
    22,677.67/31,295.30 = 12,607.05/x
  3. Step 3: Cross multiply
    22,677.67x = 31,295.30 × 12,607.05
  4. Step 4: Simplify right side
    22,677.67x = 394,541,411.87
  5. Step 5: Solve for x
    x = 394,541,411.87/22,677.67
  6. Step 6: Final answer
    x = 17,397.79

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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.