Home / 17,211.12-23,753.04-10,139.76

Finding the Fourth Proportional to 17,211.12, 23,753.04 and 10,139.76

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Solution

The fourth proportional to 17,211.12, 23,753.04 and 10,139.76 is: 13,993.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,211.12 : 23,753.04 = 10,139.76 : x
  2. Step 2: Convert to fraction form
    17,211.12/23,753.04 = 10,139.76/x
  3. Step 3: Cross multiply
    17,211.12x = 23,753.04 × 10,139.76
  4. Step 4: Simplify right side
    17,211.12x = 240,850,124.87
  5. Step 5: Solve for x
    x = 240,850,124.87/17,211.12
  6. Step 6: Final answer
    x = 13,993.87

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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.