Home / 23,165.40-34,701.78-10,668.12

Finding the Fourth Proportional to 23,165.40, 34,701.78 and 10,668.12

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Solution

The fourth proportional to 23,165.40, 34,701.78 and 10,668.12 is: 15,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,165.40 : 34,701.78 = 10,668.12 : x
  2. Step 2: Convert to fraction form
    23,165.40/34,701.78 = 10,668.12/x
  3. Step 3: Cross multiply
    23,165.40x = 34,701.78 × 10,668.12
  4. Step 4: Simplify right side
    23,165.40x = 370,202,753.25
  5. Step 5: Solve for x
    x = 370,202,753.25/23,165.40
  6. Step 6: Final answer
    x = 15,980.85

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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.