Home / 18,429.40-25,433.24-10,472.97

Finding the Fourth Proportional to 18,429.40, 25,433.24 and 10,472.97

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Solution

The fourth proportional to 18,429.40, 25,433.24 and 10,472.97 is: 14,453.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.40 : 25,433.24 = 10,472.97 : x
  2. Step 2: Convert to fraction form
    18,429.40/25,433.24 = 10,472.97/x
  3. Step 3: Cross multiply
    18,429.40x = 25,433.24 × 10,472.97
  4. Step 4: Simplify right side
    18,429.40x = 266,361,559.52
  5. Step 5: Solve for x
    x = 266,361,559.52/18,429.40
  6. Step 6: Final answer
    x = 14,453.08

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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.