Home / 18,332.16-25,296.84-10,778.76

Finding the Fourth Proportional to 18,332.16, 25,296.84 and 10,778.76

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Solution

The fourth proportional to 18,332.16, 25,296.84 and 10,778.76 is: 14,873.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,332.16 : 25,296.84 = 10,778.76 : x
  2. Step 2: Convert to fraction form
    18,332.16/25,296.84 = 10,778.76/x
  3. Step 3: Cross multiply
    18,332.16x = 25,296.84 × 10,778.76
  4. Step 4: Simplify right side
    18,332.16x = 272,668,567.12
  5. Step 5: Solve for x
    x = 272,668,567.12/18,332.16
  6. Step 6: Final answer
    x = 14,873.78

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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.