Home / 23,221.06-32,036.02-13,147.18

Finding the Fourth Proportional to 23,221.06, 32,036.02 and 13,147.18

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Solution

The fourth proportional to 23,221.06, 32,036.02 and 13,147.18 is: 18,137.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,221.06 : 32,036.02 = 13,147.18 : x
  2. Step 2: Convert to fraction form
    23,221.06/32,036.02 = 13,147.18/x
  3. Step 3: Cross multiply
    23,221.06x = 32,036.02 × 13,147.18
  4. Step 4: Simplify right side
    23,221.06x = 421,183,321.42
  5. Step 5: Solve for x
    x = 421,183,321.42/23,221.06
  6. Step 6: Final answer
    x = 18,137.99

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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.