Home / 25,856.91-35,684.69-15,248.61

Finding the Fourth Proportional to 25,856.91, 35,684.69 and 15,248.61

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Solution

The fourth proportional to 25,856.91, 35,684.69 and 15,248.61 is: 21,044.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,856.91 : 35,684.69 = 15,248.61 : x
  2. Step 2: Convert to fraction form
    25,856.91/35,684.69 = 15,248.61/x
  3. Step 3: Cross multiply
    25,856.91x = 35,684.69 × 15,248.61
  4. Step 4: Simplify right side
    25,856.91x = 544,141,920.78
  5. Step 5: Solve for x
    x = 544,141,920.78/25,856.91
  6. Step 6: Final answer
    x = 21,044.35

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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.