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Finding the Fourth Proportional to 18,854.55, 26,023.98 and 10,901.76

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Solution

The fourth proportional to 18,854.55, 26,023.98 and 10,901.76 is: 15,047.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.55 : 26,023.98 = 10,901.76 : x
  2. Step 2: Convert to fraction form
    18,854.55/26,023.98 = 10,901.76/x
  3. Step 3: Cross multiply
    18,854.55x = 26,023.98 × 10,901.76
  4. Step 4: Simplify right side
    18,854.55x = 283,707,184.20
  5. Step 5: Solve for x
    x = 283,707,184.20/18,854.55
  6. Step 6: Final answer
    x = 15,047.15

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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.