Home / 18,449.12-27,530.88-16,480.16

Finding the Fourth Proportional to 18,449.12, 27,530.88 and 16,480.16

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Solution

The fourth proportional to 18,449.12, 27,530.88 and 16,480.16 is: 24,592.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.12 : 27,530.88 = 16,480.16 : x
  2. Step 2: Convert to fraction form
    18,449.12/27,530.88 = 16,480.16/x
  3. Step 3: Cross multiply
    18,449.12x = 27,530.88 × 16,480.16
  4. Step 4: Simplify right side
    18,449.12x = 453,713,307.34
  5. Step 5: Solve for x
    x = 453,713,307.34/18,449.12
  6. Step 6: Final answer
    x = 24,592.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.