Home / 18,474.82-25,488.88-10,515.02

Finding the Fourth Proportional to 18,474.82, 25,488.88 and 10,515.02

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Solution

The fourth proportional to 18,474.82, 25,488.88 and 10,515.02 is: 14,507.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474.82 : 25,488.88 = 10,515.02 : x
  2. Step 2: Convert to fraction form
    18,474.82/25,488.88 = 10,515.02/x
  3. Step 3: Cross multiply
    18,474.82x = 25,488.88 × 10,515.02
  4. Step 4: Simplify right side
    18,474.82x = 268,015,929.25
  5. Step 5: Solve for x
    x = 268,015,929.25/18,474.82
  6. Step 6: Final answer
    x = 14,507.09

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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.