Home / 25,306.55-37,982.86-13,470.26

Finding the Fourth Proportional to 25,306.55, 37,982.86 and 13,470.26

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Solution

The fourth proportional to 25,306.55, 37,982.86 and 13,470.26 is: 20,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,306.55 : 37,982.86 = 13,470.26 : x
  2. Step 2: Convert to fraction form
    25,306.55/37,982.86 = 13,470.26/x
  3. Step 3: Cross multiply
    25,306.55x = 37,982.86 × 13,470.26
  4. Step 4: Simplify right side
    25,306.55x = 511,638,989.81
  5. Step 5: Solve for x
    x = 511,638,989.81/25,306.55
  6. Step 6: Final answer
    x = 20,217.65

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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.