Home / 23,182.08-31,990.86-13,110.18

Finding the Fourth Proportional to 23,182.08, 31,990.86 and 13,110.18

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Solution

The fourth proportional to 23,182.08, 31,990.86 and 13,110.18 is: 18,091.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,182.08 : 31,990.86 = 13,110.18 : x
  2. Step 2: Convert to fraction form
    23,182.08/31,990.86 = 13,110.18/x
  3. Step 3: Cross multiply
    23,182.08x = 31,990.86 × 13,110.18
  4. Step 4: Simplify right side
    23,182.08x = 419,405,932.95
  5. Step 5: Solve for x
    x = 419,405,932.95/23,182.08
  6. Step 6: Final answer
    x = 18,091.82

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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.