Home / 25,622.70-38,434.14-12,463.80

Finding the Fourth Proportional to 25,622.70, 38,434.14 and 12,463.80

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Solution

The fourth proportional to 25,622.70, 38,434.14 and 12,463.80 is: 18,695.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,622.70 : 38,434.14 = 12,463.80 : x
  2. Step 2: Convert to fraction form
    25,622.70/38,434.14 = 12,463.80/x
  3. Step 3: Cross multiply
    25,622.70x = 38,434.14 × 12,463.80
  4. Step 4: Simplify right side
    25,622.70x = 479,035,434.13
  5. Step 5: Solve for x
    x = 479,035,434.13/25,622.70
  6. Step 6: Final answer
    x = 18,695.74

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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.