Home / 16,909.16-25,372.85-7,055.20

Finding the Fourth Proportional to 16,909.16, 25,372.85 and 7,055.20

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Solution

The fourth proportional to 16,909.16, 25,372.85 and 7,055.20 is: 10,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.16 : 25,372.85 = 7,055.20 : x
  2. Step 2: Convert to fraction form
    16,909.16/25,372.85 = 7,055.20/x
  3. Step 3: Cross multiply
    16,909.16x = 25,372.85 × 7,055.20
  4. Step 4: Simplify right side
    16,909.16x = 179,010,527.76
  5. Step 5: Solve for x
    x = 179,010,527.76/16,909.16
  6. Step 6: Final answer
    x = 10,586.60

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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.