Home / 27,874.52-38,498.77-18,356.95

Finding the Fourth Proportional to 27,874.52, 38,498.77 and 18,356.95

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Solution

The fourth proportional to 27,874.52, 38,498.77 and 18,356.95 is: 25,353.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,874.52 : 38,498.77 = 18,356.95 : x
  2. Step 2: Convert to fraction form
    27,874.52/38,498.77 = 18,356.95/x
  3. Step 3: Cross multiply
    27,874.52x = 38,498.77 × 18,356.95
  4. Step 4: Simplify right side
    27,874.52x = 706,719,943.77
  5. Step 5: Solve for x
    x = 706,719,943.77/27,874.52
  6. Step 6: Final answer
    x = 25,353.62

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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.