Home / 17,656.47-26,462.18-8,275.79

Finding the Fourth Proportional to 17,656.47, 26,462.18 and 8,275.79

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Solution

The fourth proportional to 17,656.47, 26,462.18 and 8,275.79 is: 12,403.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,656.47 : 26,462.18 = 8,275.79 : x
  2. Step 2: Convert to fraction form
    17,656.47/26,462.18 = 8,275.79/x
  3. Step 3: Cross multiply
    17,656.47x = 26,462.18 × 8,275.79
  4. Step 4: Simplify right side
    17,656.47x = 218,995,531.47
  5. Step 5: Solve for x
    x = 218,995,531.47/17,656.47
  6. Step 6: Final answer
    x = 12,403.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.