Home / 22,674.30-31,299.25-15,117.87

Finding the Fourth Proportional to 22,674.30, 31,299.25 and 15,117.87

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Solution

The fourth proportional to 22,674.30, 31,299.25 and 15,117.87 is: 20,868.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,674.30 : 31,299.25 = 15,117.87 : x
  2. Step 2: Convert to fraction form
    22,674.30/31,299.25 = 15,117.87/x
  3. Step 3: Cross multiply
    22,674.30x = 31,299.25 × 15,117.87
  4. Step 4: Simplify right side
    22,674.30x = 473,177,992.60
  5. Step 5: Solve for x
    x = 473,177,992.60/22,674.30
  6. Step 6: Final answer
    x = 20,868.47

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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.