Home / 22,695.30-31,320.41-13,737.74

Finding the Fourth Proportional to 22,695.30, 31,320.41 and 13,737.74

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Solution

The fourth proportional to 22,695.30, 31,320.41 and 13,737.74 is: 18,958.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,695.30 : 31,320.41 = 13,737.74 : x
  2. Step 2: Convert to fraction form
    22,695.30/31,320.41 = 13,737.74/x
  3. Step 3: Cross multiply
    22,695.30x = 31,320.41 × 13,737.74
  4. Step 4: Simplify right side
    22,695.30x = 430,271,423.98
  5. Step 5: Solve for x
    x = 430,271,423.98/22,695.30
  6. Step 6: Final answer
    x = 18,958.61

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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.