Home / 16,769.12-23,140.40-9,695.04

Finding the Fourth Proportional to 16,769.12, 23,140.40 and 9,695.04

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Solution

The fourth proportional to 16,769.12, 23,140.40 and 9,695.04 is: 13,378.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.12 : 23,140.40 = 9,695.04 : x
  2. Step 2: Convert to fraction form
    16,769.12/23,140.40 = 9,695.04/x
  3. Step 3: Cross multiply
    16,769.12x = 23,140.40 × 9,695.04
  4. Step 4: Simplify right side
    16,769.12x = 224,347,103.62
  5. Step 5: Solve for x
    x = 224,347,103.62/16,769.12
  6. Step 6: Final answer
    x = 13,378.59

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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.