Home / 26,742.06-36,904.80-15,414.30

Finding the Fourth Proportional to 26,742.06, 36,904.80 and 15,414.30

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Solution

The fourth proportional to 26,742.06, 36,904.80 and 15,414.30 is: 21,272.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,742.06 : 36,904.80 = 15,414.30 : x
  2. Step 2: Convert to fraction form
    26,742.06/36,904.80 = 15,414.30/x
  3. Step 3: Cross multiply
    26,742.06x = 36,904.80 × 15,414.30
  4. Step 4: Simplify right side
    26,742.06x = 568,861,658.64
  5. Step 5: Solve for x
    x = 568,861,658.64/26,742.06
  6. Step 6: Final answer
    x = 21,272.17

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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.