Home / 15,041.96-20,758.24-8,236.63

Finding the Fourth Proportional to 15,041.96, 20,758.24 and 8,236.63

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Solution

The fourth proportional to 15,041.96, 20,758.24 and 8,236.63 is: 11,366.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,041.96 : 20,758.24 = 8,236.63 : x
  2. Step 2: Convert to fraction form
    15,041.96/20,758.24 = 8,236.63/x
  3. Step 3: Cross multiply
    15,041.96x = 20,758.24 × 8,236.63
  4. Step 4: Simplify right side
    15,041.96x = 170,977,838.54
  5. Step 5: Solve for x
    x = 170,977,838.54/15,041.96
  6. Step 6: Final answer
    x = 11,366.73

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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.