Home / 19,901.17-27,456.77-12,344.77

Finding the Fourth Proportional to 19,901.17, 27,456.77 and 12,344.77

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Solution

The fourth proportional to 19,901.17, 27,456.77 and 12,344.77 is: 17,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,901.17 : 27,456.77 = 12,344.77 : x
  2. Step 2: Convert to fraction form
    19,901.17/27,456.77 = 12,344.77/x
  3. Step 3: Cross multiply
    19,901.17x = 27,456.77 × 12,344.77
  4. Step 4: Simplify right side
    19,901.17x = 338,947,311.59
  5. Step 5: Solve for x
    x = 338,947,311.59/19,901.17
  6. Step 6: Final answer
    x = 17,031.53

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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.