Home / 17,648.12-26,478.26-8,875.82

Finding the Fourth Proportional to 17,648.12, 26,478.26 and 8,875.82

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Solution

The fourth proportional to 17,648.12, 26,478.26 and 8,875.82 is: 13,316.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,648.12 : 26,478.26 = 8,875.82 : x
  2. Step 2: Convert to fraction form
    17,648.12/26,478.26 = 8,875.82/x
  3. Step 3: Cross multiply
    17,648.12x = 26,478.26 × 8,875.82
  4. Step 4: Simplify right side
    17,648.12x = 235,016,269.67
  5. Step 5: Solve for x
    x = 235,016,269.67/17,648.12
  6. Step 6: Final answer
    x = 13,316.79

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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.