Home / 15,474.24-21,352.98-8,760.36

Finding the Fourth Proportional to 15,474.24, 21,352.98 and 8,760.36

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Solution

The fourth proportional to 15,474.24, 21,352.98 and 8,760.36 is: 12,088.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,474.24 : 21,352.98 = 8,760.36 : x
  2. Step 2: Convert to fraction form
    15,474.24/21,352.98 = 8,760.36/x
  3. Step 3: Cross multiply
    15,474.24x = 21,352.98 × 8,760.36
  4. Step 4: Simplify right side
    15,474.24x = 187,059,791.87
  5. Step 5: Solve for x
    x = 187,059,791.87/15,474.24
  6. Step 6: Final answer
    x = 12,088.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.