Home / 26,870.94-37,086.05-15,540.46

Finding the Fourth Proportional to 26,870.94, 37,086.05 and 15,540.46

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Solution

The fourth proportional to 26,870.94, 37,086.05 and 15,540.46 is: 21,448.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,870.94 : 37,086.05 = 15,540.46 : x
  2. Step 2: Convert to fraction form
    26,870.94/37,086.05 = 15,540.46/x
  3. Step 3: Cross multiply
    26,870.94x = 37,086.05 × 15,540.46
  4. Step 4: Simplify right side
    26,870.94x = 576,334,222.72
  5. Step 5: Solve for x
    x = 576,334,222.72/26,870.94
  6. Step 6: Final answer
    x = 21,448.23

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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.