Home / 25,618.85-38,435.70-10,623.18

Finding the Fourth Proportional to 25,618.85, 38,435.70 and 10,623.18

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Solution

The fourth proportional to 25,618.85, 38,435.70 and 10,623.18 is: 15,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.85 : 38,435.70 = 10,623.18 : x
  2. Step 2: Convert to fraction form
    25,618.85/38,435.70 = 10,623.18/x
  3. Step 3: Cross multiply
    25,618.85x = 38,435.70 × 10,623.18
  4. Step 4: Simplify right side
    25,618.85x = 408,309,306.41
  5. Step 5: Solve for x
    x = 408,309,306.41/25,618.85
  6. Step 6: Final answer
    x = 15,937.85

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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.