Home / 25,568.76-38,342.16-8,923.80

Finding the Fourth Proportional to 25,568.76, 38,342.16 and 8,923.80

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Solution

The fourth proportional to 25,568.76, 38,342.16 and 8,923.80 is: 13,381.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,568.76 : 38,342.16 = 8,923.80 : x
  2. Step 2: Convert to fraction form
    25,568.76/38,342.16 = 8,923.80/x
  3. Step 3: Cross multiply
    25,568.76x = 38,342.16 × 8,923.80
  4. Step 4: Simplify right side
    25,568.76x = 342,157,767.41
  5. Step 5: Solve for x
    x = 342,157,767.41/25,568.76
  6. Step 6: Final answer
    x = 13,381.87

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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.