Home / 23,165.38-34,720.12-10,668.30

Finding the Fourth Proportional to 23,165.38, 34,720.12 and 10,668.30

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Solution

The fourth proportional to 23,165.38, 34,720.12 and 10,668.30 is: 15,989.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,165.38 : 34,720.12 = 10,668.30 : x
  2. Step 2: Convert to fraction form
    23,165.38/34,720.12 = 10,668.30/x
  3. Step 3: Cross multiply
    23,165.38x = 34,720.12 × 10,668.30
  4. Step 4: Simplify right side
    23,165.38x = 370,404,656.20
  5. Step 5: Solve for x
    x = 370,404,656.20/23,165.38
  6. Step 6: Final answer
    x = 15,989.58

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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.