Home / 17,139.20-23,652.27-10,065.74

Finding the Fourth Proportional to 17,139.20, 23,652.27 and 10,065.74

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Solution

The fourth proportional to 17,139.20, 23,652.27 and 10,065.74 is: 13,890.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,139.20 : 23,652.27 = 10,065.74 : x
  2. Step 2: Convert to fraction form
    17,139.20/23,652.27 = 10,065.74/x
  3. Step 3: Cross multiply
    17,139.20x = 23,652.27 × 10,065.74
  4. Step 4: Simplify right side
    17,139.20x = 238,077,481.97
  5. Step 5: Solve for x
    x = 238,077,481.97/17,139.20
  6. Step 6: Final answer
    x = 13,890.82

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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.