Home / 18,822.55-25,972.24-10,754.80

Finding the Fourth Proportional to 18,822.55, 25,972.24 and 10,754.80

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Solution

The fourth proportional to 18,822.55, 25,972.24 and 10,754.80 is: 14,839.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.55 : 25,972.24 = 10,754.80 : x
  2. Step 2: Convert to fraction form
    18,822.55/25,972.24 = 10,754.80/x
  3. Step 3: Cross multiply
    18,822.55x = 25,972.24 × 10,754.80
  4. Step 4: Simplify right side
    18,822.55x = 279,326,246.75
  5. Step 5: Solve for x
    x = 279,326,246.75/18,822.55
  6. Step 6: Final answer
    x = 14,839.98

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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.