Home / 16,825.59-25,242.10-5,139.72

Finding the Fourth Proportional to 16,825.59, 25,242.10 and 5,139.72

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Solution

The fourth proportional to 16,825.59, 25,242.10 and 5,139.72 is: 7,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,825.59 : 25,242.10 = 5,139.72 : x
  2. Step 2: Convert to fraction form
    16,825.59/25,242.10 = 5,139.72/x
  3. Step 3: Cross multiply
    16,825.59x = 25,242.10 × 5,139.72
  4. Step 4: Simplify right side
    16,825.59x = 129,737,313.36
  5. Step 5: Solve for x
    x = 129,737,313.36/16,825.59
  6. Step 6: Final answer
    x = 7,710.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.