Home / 25,568.18-38,351.36-8,928.15

Finding the Fourth Proportional to 25,568.18, 38,351.36 and 8,928.15

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Solution

The fourth proportional to 25,568.18, 38,351.36 and 8,928.15 is: 13,391.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,568.18 : 38,351.36 = 8,928.15 : x
  2. Step 2: Convert to fraction form
    25,568.18/38,351.36 = 8,928.15/x
  3. Step 3: Cross multiply
    25,568.18x = 38,351.36 × 8,928.15
  4. Step 4: Simplify right side
    25,568.18x = 342,406,717.10
  5. Step 5: Solve for x
    x = 342,406,717.10/25,568.18
  6. Step 6: Final answer
    x = 13,391.91

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1.5x scale

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.