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Finding the Fourth Proportional to 18,959.71, 26,162.96 and 10,462.17

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Solution

The fourth proportional to 18,959.71, 26,162.96 and 10,462.17 is: 14,437.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,959.71 : 26,162.96 = 10,462.17 : x
  2. Step 2: Convert to fraction form
    18,959.71/26,162.96 = 10,462.17/x
  3. Step 3: Cross multiply
    18,959.71x = 26,162.96 × 10,462.17
  4. Step 4: Simplify right side
    18,959.71x = 273,721,335.22
  5. Step 5: Solve for x
    x = 273,721,335.22/18,959.71
  6. Step 6: Final answer
    x = 14,437.00

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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.