Home / 18,272.44-25,216.10-10,718.89

Finding the Fourth Proportional to 18,272.44, 25,216.10 and 10,718.89

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Solution

The fourth proportional to 18,272.44, 25,216.10 and 10,718.89 is: 14,792.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.44 : 25,216.10 = 10,718.89 : x
  2. Step 2: Convert to fraction form
    18,272.44/25,216.10 = 10,718.89/x
  3. Step 3: Cross multiply
    18,272.44x = 25,216.10 × 10,718.89
  4. Step 4: Simplify right side
    18,272.44x = 270,288,626.76
  5. Step 5: Solve for x
    x = 270,288,626.76/18,272.44
  6. Step 6: Final answer
    x = 14,792.15

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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.