Home / 18,339.12-25,304.76-11,964.02

Finding the Fourth Proportional to 18,339.12, 25,304.76 and 11,964.02

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Solution

The fourth proportional to 18,339.12, 25,304.76 and 11,964.02 is: 16,508.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.12 : 25,304.76 = 11,964.02 : x
  2. Step 2: Convert to fraction form
    18,339.12/25,304.76 = 11,964.02/x
  3. Step 3: Cross multiply
    18,339.12x = 25,304.76 × 11,964.02
  4. Step 4: Simplify right side
    18,339.12x = 302,746,654.74
  5. Step 5: Solve for x
    x = 302,746,654.74/18,339.12
  6. Step 6: Final answer
    x = 16,508.24

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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.