Home / 23,765.31-32,800.50-15,278.04

Finding the Fourth Proportional to 23,765.31, 32,800.50 and 15,278.04

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Solution

The fourth proportional to 23,765.31, 32,800.50 and 15,278.04 is: 21,086.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,765.31 : 32,800.50 = 15,278.04 : x
  2. Step 2: Convert to fraction form
    23,765.31/32,800.50 = 15,278.04/x
  3. Step 3: Cross multiply
    23,765.31x = 32,800.50 × 15,278.04
  4. Step 4: Simplify right side
    23,765.31x = 501,127,351.02
  5. Step 5: Solve for x
    x = 501,127,351.02/23,765.31
  6. Step 6: Final answer
    x = 21,086.51

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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.