Home / 16,758.70-23,127.56-9,589.78

Finding the Fourth Proportional to 16,758.70, 23,127.56 and 9,589.78

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Solution

The fourth proportional to 16,758.70, 23,127.56 and 9,589.78 is: 13,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,758.70 : 23,127.56 = 9,589.78 : x
  2. Step 2: Convert to fraction form
    16,758.70/23,127.56 = 9,589.78/x
  3. Step 3: Cross multiply
    16,758.70x = 23,127.56 × 9,589.78
  4. Step 4: Simplify right side
    16,758.70x = 221,788,212.34
  5. Step 5: Solve for x
    x = 221,788,212.34/16,758.70
  6. Step 6: Final answer
    x = 13,234.21

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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.