Home / 23,132.16-31,922.08-13,198.08

Finding the Fourth Proportional to 23,132.16, 31,922.08 and 13,198.08

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Solution

The fourth proportional to 23,132.16, 31,922.08 and 13,198.08 is: 18,213.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,132.16 : 31,922.08 = 13,198.08 : x
  2. Step 2: Convert to fraction form
    23,132.16/31,922.08 = 13,198.08/x
  3. Step 3: Cross multiply
    23,132.16x = 31,922.08 × 13,198.08
  4. Step 4: Simplify right side
    23,132.16x = 421,310,165.61
  5. Step 5: Solve for x
    x = 421,310,165.61/23,132.16
  6. Step 6: Final answer
    x = 18,213.18

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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.