Home / 17,139.85-23,655.17-9,586.60

Finding the Fourth Proportional to 17,139.85, 23,655.17 and 9,586.60

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Solution

The fourth proportional to 17,139.85, 23,655.17 and 9,586.60 is: 13,230.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,139.85 : 23,655.17 = 9,586.60 : x
  2. Step 2: Convert to fraction form
    17,139.85/23,655.17 = 9,586.60/x
  3. Step 3: Cross multiply
    17,139.85x = 23,655.17 × 9,586.60
  4. Step 4: Simplify right side
    17,139.85x = 226,772,617.55
  5. Step 5: Solve for x
    x = 226,772,617.55/17,139.85
  6. Step 6: Final answer
    x = 13,230.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.