Home / 15,672.12-23,508.24-3,985.32

Finding the Fourth Proportional to 15,672.12, 23,508.24 and 3,985.32

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Solution

The fourth proportional to 15,672.12, 23,508.24 and 3,985.32 is: 5,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.12 : 23,508.24 = 3,985.32 : x
  2. Step 2: Convert to fraction form
    15,672.12/23,508.24 = 3,985.32/x
  3. Step 3: Cross multiply
    15,672.12x = 23,508.24 × 3,985.32
  4. Step 4: Simplify right side
    15,672.12x = 93,687,859.04
  5. Step 5: Solve for x
    x = 93,687,859.04/15,672.12
  6. Step 6: Final answer
    x = 5,978.00

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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.