Home / 16,886.10-25,329.15-14,115.90

Finding the Fourth Proportional to 16,886.10, 25,329.15 and 14,115.90

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Solution

The fourth proportional to 16,886.10, 25,329.15 and 14,115.90 is: 21,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.10 : 25,329.15 = 14,115.90 : x
  2. Step 2: Convert to fraction form
    16,886.10/25,329.15 = 14,115.90/x
  3. Step 3: Cross multiply
    16,886.10x = 25,329.15 × 14,115.90
  4. Step 4: Simplify right side
    16,886.10x = 357,543,748.49
  5. Step 5: Solve for x
    x = 357,543,748.49/16,886.10
  6. Step 6: Final answer
    x = 21,173.85

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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.