Home / 16,764.48-23,132.40-9,689.55

Finding the Fourth Proportional to 16,764.48, 23,132.40 and 9,689.55

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Solution

The fourth proportional to 16,764.48, 23,132.40 and 9,689.55 is: 13,370.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,764.48 : 23,132.40 = 9,689.55 : x
  2. Step 2: Convert to fraction form
    16,764.48/23,132.40 = 9,689.55/x
  3. Step 3: Cross multiply
    16,764.48x = 23,132.40 × 9,689.55
  4. Step 4: Simplify right side
    16,764.48x = 224,142,546.42
  5. Step 5: Solve for x
    x = 224,142,546.42/16,764.48
  6. Step 6: Final answer
    x = 13,370.09

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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.