Home / 23,337.78-32,191.20-15,693.84

Finding the Fourth Proportional to 23,337.78, 32,191.20 and 15,693.84

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Solution

The fourth proportional to 23,337.78, 32,191.20 and 15,693.84 is: 21,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,337.78 : 32,191.20 = 15,693.84 : x
  2. Step 2: Convert to fraction form
    23,337.78/32,191.20 = 15,693.84/x
  3. Step 3: Cross multiply
    23,337.78x = 32,191.20 × 15,693.84
  4. Step 4: Simplify right side
    23,337.78x = 505,203,542.21
  5. Step 5: Solve for x
    x = 505,203,542.21/23,337.78
  6. Step 6: Final answer
    x = 21,647.45

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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.