Home / 19,472.55-26,872.14-10,520.07

Finding the Fourth Proportional to 19,472.55, 26,872.14 and 10,520.07

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Solution

The fourth proportional to 19,472.55, 26,872.14 and 10,520.07 is: 14,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.55 : 26,872.14 = 10,520.07 : x
  2. Step 2: Convert to fraction form
    19,472.55/26,872.14 = 10,520.07/x
  3. Step 3: Cross multiply
    19,472.55x = 26,872.14 × 10,520.07
  4. Step 4: Simplify right side
    19,472.55x = 282,696,793.85
  5. Step 5: Solve for x
    x = 282,696,793.85/19,472.55
  6. Step 6: Final answer
    x = 14,517.71

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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.