Home / 16,687.28-25,030.98-13,552.40

Finding the Fourth Proportional to 16,687.28, 25,030.98 and 13,552.40

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Solution

The fourth proportional to 16,687.28, 25,030.98 and 13,552.40 is: 20,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.28 : 25,030.98 = 13,552.40 : x
  2. Step 2: Convert to fraction form
    16,687.28/25,030.98 = 13,552.40/x
  3. Step 3: Cross multiply
    16,687.28x = 25,030.98 × 13,552.40
  4. Step 4: Simplify right side
    16,687.28x = 339,229,728.20
  5. Step 5: Solve for x
    x = 339,229,728.20/16,687.28
  6. Step 6: Final answer
    x = 20,328.65

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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.