Home / 16,437.20-24,499.68-15,503.20

Finding the Fourth Proportional to 16,437.20, 24,499.68 and 15,503.20

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Solution

The fourth proportional to 16,437.20, 24,499.68 and 15,503.20 is: 23,107.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,437.20 : 24,499.68 = 15,503.20 : x
  2. Step 2: Convert to fraction form
    16,437.20/24,499.68 = 15,503.20/x
  3. Step 3: Cross multiply
    16,437.20x = 24,499.68 × 15,503.20
  4. Step 4: Simplify right side
    16,437.20x = 379,823,438.98
  5. Step 5: Solve for x
    x = 379,823,438.98/16,437.20
  6. Step 6: Final answer
    x = 23,107.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.