Home / 18,579.41-25,639.52-11,031.95

Finding the Fourth Proportional to 18,579.41, 25,639.52 and 11,031.95

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Solution

The fourth proportional to 18,579.41, 25,639.52 and 11,031.95 is: 15,224.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.41 : 25,639.52 = 11,031.95 : x
  2. Step 2: Convert to fraction form
    18,579.41/25,639.52 = 11,031.95/x
  3. Step 3: Cross multiply
    18,579.41x = 25,639.52 × 11,031.95
  4. Step 4: Simplify right side
    18,579.41x = 282,853,774.47
  5. Step 5: Solve for x
    x = 282,853,774.47/18,579.41
  6. Step 6: Final answer
    x = 15,224.04

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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.