Home / 26,611.55-36,722.58-15,126.15

Finding the Fourth Proportional to 26,611.55, 36,722.58 and 15,126.15

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Solution

The fourth proportional to 26,611.55, 36,722.58 and 15,126.15 is: 20,873.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,611.55 : 36,722.58 = 15,126.15 : x
  2. Step 2: Convert to fraction form
    26,611.55/36,722.58 = 15,126.15/x
  3. Step 3: Cross multiply
    26,611.55x = 36,722.58 × 15,126.15
  4. Step 4: Simplify right side
    26,611.55x = 555,471,253.47
  5. Step 5: Solve for x
    x = 555,471,253.47/26,611.55
  6. Step 6: Final answer
    x = 20,873.31

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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.