Home / 18,432.80-25,437.92-10,474.76

Finding the Fourth Proportional to 18,432.80, 25,437.92 and 10,474.76

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Solution

The fourth proportional to 18,432.80, 25,437.92 and 10,474.76 is: 14,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432.80 : 25,437.92 = 10,474.76 : x
  2. Step 2: Convert to fraction form
    18,432.80/25,437.92 = 10,474.76/x
  3. Step 3: Cross multiply
    18,432.80x = 25,437.92 × 10,474.76
  4. Step 4: Simplify right side
    18,432.80x = 266,456,106.90
  5. Step 5: Solve for x
    x = 266,456,106.90/18,432.80
  6. Step 6: Final answer
    x = 14,455.54

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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.