Home / 26,990.05-37,250.77-15,668.95

Finding the Fourth Proportional to 26,990.05, 37,250.77 and 15,668.95

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Solution

The fourth proportional to 26,990.05, 37,250.77 and 15,668.95 is: 21,625.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,990.05 : 37,250.77 = 15,668.95 : x
  2. Step 2: Convert to fraction form
    26,990.05/37,250.77 = 15,668.95/x
  3. Step 3: Cross multiply
    26,990.05x = 37,250.77 × 15,668.95
  4. Step 4: Simplify right side
    26,990.05x = 583,680,452.59
  5. Step 5: Solve for x
    x = 583,680,452.59/26,990.05
  6. Step 6: Final answer
    x = 21,625.76

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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.