Home / 17,139.92-23,650.44-10,065.68

Finding the Fourth Proportional to 17,139.92, 23,650.44 and 10,065.68

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Solution

The fourth proportional to 17,139.92, 23,650.44 and 10,065.68 is: 13,889.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,139.92 : 23,650.44 = 10,065.68 : x
  2. Step 2: Convert to fraction form
    17,139.92/23,650.44 = 10,065.68/x
  3. Step 3: Cross multiply
    17,139.92x = 23,650.44 × 10,065.68
  4. Step 4: Simplify right side
    17,139.92x = 238,057,760.90
  5. Step 5: Solve for x
    x = 238,057,760.90/17,139.92
  6. Step 6: Final answer
    x = 13,889.08

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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.