Home / 23,390.19-32,292.76-15,221.57

Finding the Fourth Proportional to 23,390.19, 32,292.76 and 15,221.57

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Solution

The fourth proportional to 23,390.19, 32,292.76 and 15,221.57 is: 21,015.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,390.19 : 32,292.76 = 15,221.57 : x
  2. Step 2: Convert to fraction form
    23,390.19/32,292.76 = 15,221.57/x
  3. Step 3: Cross multiply
    23,390.19x = 32,292.76 × 15,221.57
  4. Step 4: Simplify right side
    23,390.19x = 491,546,651.14
  5. Step 5: Solve for x
    x = 491,546,651.14/23,390.19
  6. Step 6: Final answer
    x = 21,015.08

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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.