Home / 20,737.41-31,089.72-14,814.29

Finding the Fourth Proportional to 20,737.41, 31,089.72 and 14,814.29

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Solution

The fourth proportional to 20,737.41, 31,089.72 and 14,814.29 is: 22,209.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.41 : 31,089.72 = 14,814.29 : x
  2. Step 2: Convert to fraction form
    20,737.41/31,089.72 = 14,814.29/x
  3. Step 3: Cross multiply
    20,737.41x = 31,089.72 × 14,814.29
  4. Step 4: Simplify right side
    20,737.41x = 460,571,898.58
  5. Step 5: Solve for x
    x = 460,571,898.58/20,737.41
  6. Step 6: Final answer
    x = 22,209.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.