Home / 17,125.02-25,687.45-5,439.15

Finding the Fourth Proportional to 17,125.02, 25,687.45 and 5,439.15

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Solution

The fourth proportional to 17,125.02, 25,687.45 and 5,439.15 is: 8,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,125.02 : 25,687.45 = 5,439.15 : x
  2. Step 2: Convert to fraction form
    17,125.02/25,687.45 = 5,439.15/x
  3. Step 3: Cross multiply
    17,125.02x = 25,687.45 × 5,439.15
  4. Step 4: Simplify right side
    17,125.02x = 139,717,893.67
  5. Step 5: Solve for x
    x = 139,717,893.67/17,125.02
  6. Step 6: Final answer
    x = 8,158.70

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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.