Home / 12,966.52-17,901.92-10,288.68

Finding the Fourth Proportional to 12,966.52, 17,901.92 and 10,288.68

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Solution

The fourth proportional to 12,966.52, 17,901.92 and 10,288.68 is: 14,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966.52 : 17,901.92 = 10,288.68 : x
  2. Step 2: Convert to fraction form
    12,966.52/17,901.92 = 10,288.68/x
  3. Step 3: Cross multiply
    12,966.52x = 17,901.92 × 10,288.68
  4. Step 4: Simplify right side
    12,966.52x = 184,187,126.27
  5. Step 5: Solve for x
    x = 184,187,126.27/12,966.52
  6. Step 6: Final answer
    x = 14,204.82

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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.