Home / 15,439.28-23,158.31-10,745.73

Finding the Fourth Proportional to 15,439.28, 23,158.31 and 10,745.73

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Solution

The fourth proportional to 15,439.28, 23,158.31 and 10,745.73 is: 16,118.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.28 : 23,158.31 = 10,745.73 : x
  2. Step 2: Convert to fraction form
    15,439.28/23,158.31 = 10,745.73/x
  3. Step 3: Cross multiply
    15,439.28x = 23,158.31 × 10,745.73
  4. Step 4: Simplify right side
    15,439.28x = 248,852,892.79
  5. Step 5: Solve for x
    x = 248,852,892.79/15,439.28
  6. Step 6: Final answer
    x = 16,118.17

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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.