Home / 23,200.40-32,078.76-20,248.04

Finding the Fourth Proportional to 23,200.40, 32,078.76 and 20,248.04

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Solution

The fourth proportional to 23,200.40, 32,078.76 and 20,248.04 is: 27,996.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,200.40 : 32,078.76 = 20,248.04 : x
  2. Step 2: Convert to fraction form
    23,200.40/32,078.76 = 20,248.04/x
  3. Step 3: Cross multiply
    23,200.40x = 32,078.76 × 20,248.04
  4. Step 4: Simplify right side
    23,200.40x = 649,532,015.63
  5. Step 5: Solve for x
    x = 649,532,015.63/23,200.40
  6. Step 6: Final answer
    x = 27,996.59

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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.