Home / 22,737.94-31,377.11-12,528.63

Finding the Fourth Proportional to 22,737.94, 31,377.11 and 12,528.63

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Solution

The fourth proportional to 22,737.94, 31,377.11 and 12,528.63 is: 17,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,737.94 : 31,377.11 = 12,528.63 : x
  2. Step 2: Convert to fraction form
    22,737.94/31,377.11 = 12,528.63/x
  3. Step 3: Cross multiply
    22,737.94x = 31,377.11 × 12,528.63
  4. Step 4: Simplify right side
    22,737.94x = 393,112,139.02
  5. Step 5: Solve for x
    x = 393,112,139.02/22,737.94
  6. Step 6: Final answer
    x = 17,288.82

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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.