Home / 17,011.01-25,505.55-8,121.53

Finding the Fourth Proportional to 17,011.01, 25,505.55 and 8,121.53

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Solution

The fourth proportional to 17,011.01, 25,505.55 and 8,121.53 is: 12,177.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,011.01 : 25,505.55 = 8,121.53 : x
  2. Step 2: Convert to fraction form
    17,011.01/25,505.55 = 8,121.53/x
  3. Step 3: Cross multiply
    17,011.01x = 25,505.55 × 8,121.53
  4. Step 4: Simplify right side
    17,011.01x = 207,144,153.26
  5. Step 5: Solve for x
    x = 207,144,153.26/17,011.01
  6. Step 6: Final answer
    x = 12,177.06

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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.