Home / 18,449.12-25,282.54-16,677.76

Finding the Fourth Proportional to 18,449.12, 25,282.54 and 16,677.76

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Solution

The fourth proportional to 18,449.12, 25,282.54 and 16,677.76 is: 22,855.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.12 : 25,282.54 = 16,677.76 : x
  2. Step 2: Convert to fraction form
    18,449.12/25,282.54 = 16,677.76/x
  3. Step 3: Cross multiply
    18,449.12x = 25,282.54 × 16,677.76
  4. Step 4: Simplify right side
    18,449.12x = 421,656,134.31
  5. Step 5: Solve for x
    x = 421,656,134.31/18,449.12
  6. Step 6: Final answer
    x = 22,855.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.