Home / 26,618.24-36,725.12-15,438.08

Finding the Fourth Proportional to 26,618.24, 36,725.12 and 15,438.08

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Solution

The fourth proportional to 26,618.24, 36,725.12 and 15,438.08 is: 21,299.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,618.24 : 36,725.12 = 15,438.08 : x
  2. Step 2: Convert to fraction form
    26,618.24/36,725.12 = 15,438.08/x
  3. Step 3: Cross multiply
    26,618.24x = 36,725.12 × 15,438.08
  4. Step 4: Simplify right side
    26,618.24x = 566,965,340.57
  5. Step 5: Solve for x
    x = 566,965,340.57/26,618.24
  6. Step 6: Final answer
    x = 21,299.88

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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.