Home / 22,674.18-31,299.08-15,117.75

Finding the Fourth Proportional to 22,674.18, 31,299.08 and 15,117.75

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Solution

The fourth proportional to 22,674.18, 31,299.08 and 15,117.75 is: 20,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,674.18 : 31,299.08 = 15,117.75 : x
  2. Step 2: Convert to fraction form
    22,674.18/31,299.08 = 15,117.75/x
  3. Step 3: Cross multiply
    22,674.18x = 31,299.08 × 15,117.75
  4. Step 4: Simplify right side
    22,674.18x = 473,171,510.17
  5. Step 5: Solve for x
    x = 473,171,510.17/22,674.18
  6. Step 6: Final answer
    x = 20,868.30

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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.