Home / 23,311.55-32,144.49-15,744.75

Finding the Fourth Proportional to 23,311.55, 32,144.49 and 15,744.75

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Solution

The fourth proportional to 23,311.55, 32,144.49 and 15,744.75 is: 21,710.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,311.55 : 32,144.49 = 15,744.75 : x
  2. Step 2: Convert to fraction form
    23,311.55/32,144.49 = 15,744.75/x
  3. Step 3: Cross multiply
    23,311.55x = 32,144.49 × 15,744.75
  4. Step 4: Simplify right side
    23,311.55x = 506,106,799.84
  5. Step 5: Solve for x
    x = 506,106,799.84/23,311.55
  6. Step 6: Final answer
    x = 21,710.56

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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.