Home / 25,149.56-34,708.46-16,215.66

Finding the Fourth Proportional to 25,149.56, 34,708.46 and 16,215.66

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Solution

The fourth proportional to 25,149.56, 34,708.46 and 16,215.66 is: 22,378.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,149.56 : 34,708.46 = 16,215.66 : x
  2. Step 2: Convert to fraction form
    25,149.56/34,708.46 = 16,215.66/x
  3. Step 3: Cross multiply
    25,149.56x = 34,708.46 × 16,215.66
  4. Step 4: Simplify right side
    25,149.56x = 562,820,505.41
  5. Step 5: Solve for x
    x = 562,820,505.41/25,149.56
  6. Step 6: Final answer
    x = 22,378.94

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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.