Home / 18,308.45-25,265.69-9,924.95

Finding the Fourth Proportional to 18,308.45, 25,265.69 and 9,924.95

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Solution

The fourth proportional to 18,308.45, 25,265.69 and 9,924.95 is: 13,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.45 : 25,265.69 = 9,924.95 : x
  2. Step 2: Convert to fraction form
    18,308.45/25,265.69 = 9,924.95/x
  3. Step 3: Cross multiply
    18,308.45x = 25,265.69 × 9,924.95
  4. Step 4: Simplify right side
    18,308.45x = 250,760,709.97
  5. Step 5: Solve for x
    x = 250,760,709.97/18,308.45
  6. Step 6: Final answer
    x = 13,696.45

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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.