Home / 25,422.94-35,082.39-14,242.78

Finding the Fourth Proportional to 25,422.94, 35,082.39 and 14,242.78

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Solution

The fourth proportional to 25,422.94, 35,082.39 and 14,242.78 is: 19,654.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,422.94 : 35,082.39 = 14,242.78 : x
  2. Step 2: Convert to fraction form
    25,422.94/35,082.39 = 14,242.78/x
  3. Step 3: Cross multiply
    25,422.94x = 35,082.39 × 14,242.78
  4. Step 4: Simplify right side
    25,422.94x = 499,670,762.64
  5. Step 5: Solve for x
    x = 499,670,762.64/25,422.94
  6. Step 6: Final answer
    x = 19,654.33

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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.