Home / 15,943.12-23,904.72-13,882.48

Finding the Fourth Proportional to 15,943.12, 23,904.72 and 13,882.48

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Solution

The fourth proportional to 15,943.12, 23,904.72 and 13,882.48 is: 20,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.12 : 23,904.72 = 13,882.48 : x
  2. Step 2: Convert to fraction form
    15,943.12/23,904.72 = 13,882.48/x
  3. Step 3: Cross multiply
    15,943.12x = 23,904.72 × 13,882.48
  4. Step 4: Simplify right side
    15,943.12x = 331,856,797.31
  5. Step 5: Solve for x
    x = 331,856,797.31/15,943.12
  6. Step 6: Final answer
    x = 20,815.05

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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.