Home / 25,473.88-35,165.82-16,990.12

Finding the Fourth Proportional to 25,473.88, 35,165.82 and 16,990.12

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Solution

The fourth proportional to 25,473.88, 35,165.82 and 16,990.12 is: 23,454.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,473.88 : 35,165.82 = 16,990.12 : x
  2. Step 2: Convert to fraction form
    25,473.88/35,165.82 = 16,990.12/x
  3. Step 3: Cross multiply
    25,473.88x = 35,165.82 × 16,990.12
  4. Step 4: Simplify right side
    25,473.88x = 597,471,501.70
  5. Step 5: Solve for x
    x = 597,471,501.70/25,473.88
  6. Step 6: Final answer
    x = 23,454.28

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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.