Home / 26,170.88-36,120.96-15,000.32

Finding the Fourth Proportional to 26,170.88, 36,120.96 and 15,000.32

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Solution

The fourth proportional to 26,170.88, 36,120.96 and 15,000.32 is: 20,703.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,170.88 : 36,120.96 = 15,000.32 : x
  2. Step 2: Convert to fraction form
    26,170.88/36,120.96 = 15,000.32/x
  3. Step 3: Cross multiply
    26,170.88x = 36,120.96 × 15,000.32
  4. Step 4: Simplify right side
    26,170.88x = 541,825,958.71
  5. Step 5: Solve for x
    x = 541,825,958.71/26,170.88
  6. Step 6: Final answer
    x = 20,703.39

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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.