Home / 16,742.87-25,122.50-6,747.20

Finding the Fourth Proportional to 16,742.87, 25,122.50 and 6,747.20

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Solution

The fourth proportional to 16,742.87, 25,122.50 and 6,747.20 is: 10,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742.87 : 25,122.50 = 6,747.20 : x
  2. Step 2: Convert to fraction form
    16,742.87/25,122.50 = 6,747.20/x
  3. Step 3: Cross multiply
    16,742.87x = 25,122.50 × 6,747.20
  4. Step 4: Simplify right side
    16,742.87x = 169,506,532
  5. Step 5: Solve for x
    x = 169,506,532/16,742.87
  6. Step 6: Final answer
    x = 10,124.10

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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.