Home / 18,817.08-25,967.60-11,263.72

Finding the Fourth Proportional to 18,817.08, 25,967.60 and 11,263.72

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Solution

The fourth proportional to 18,817.08, 25,967.60 and 11,263.72 is: 15,543.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.08 : 25,967.60 = 11,263.72 : x
  2. Step 2: Convert to fraction form
    18,817.08/25,967.60 = 11,263.72/x
  3. Step 3: Cross multiply
    18,817.08x = 25,967.60 × 11,263.72
  4. Step 4: Simplify right side
    18,817.08x = 292,491,775.47
  5. Step 5: Solve for x
    x = 292,491,775.47/18,817.08
  6. Step 6: Final answer
    x = 15,543.95

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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.