Home / 15,849.24-21,868.48-9,474.87

Finding the Fourth Proportional to 15,849.24, 21,868.48 and 9,474.87

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Solution

The fourth proportional to 15,849.24, 21,868.48 and 9,474.87 is: 13,073.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,849.24 : 21,868.48 = 9,474.87 : x
  2. Step 2: Convert to fraction form
    15,849.24/21,868.48 = 9,474.87/x
  3. Step 3: Cross multiply
    15,849.24x = 21,868.48 × 9,474.87
  4. Step 4: Simplify right side
    15,849.24x = 207,201,098.95
  5. Step 5: Solve for x
    x = 207,201,098.95/15,849.24
  6. Step 6: Final answer
    x = 13,073.25

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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.