Home / 17,431.76-26,104.58-9,118.76

Finding the Fourth Proportional to 17,431.76, 26,104.58 and 9,118.76

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Solution

The fourth proportional to 17,431.76, 26,104.58 and 9,118.76 is: 13,655.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,431.76 : 26,104.58 = 9,118.76 : x
  2. Step 2: Convert to fraction form
    17,431.76/26,104.58 = 9,118.76/x
  3. Step 3: Cross multiply
    17,431.76x = 26,104.58 × 9,118.76
  4. Step 4: Simplify right side
    17,431.76x = 238,041,514.97
  5. Step 5: Solve for x
    x = 238,041,514.97/17,431.76
  6. Step 6: Final answer
    x = 13,655.62

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1.5x scale

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.