Home / 15,025.82-20,738.14-8,741.84

Finding the Fourth Proportional to 15,025.82, 20,738.14 and 8,741.84

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Solution

The fourth proportional to 15,025.82, 20,738.14 and 8,741.84 is: 12,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,025.82 : 20,738.14 = 8,741.84 : x
  2. Step 2: Convert to fraction form
    15,025.82/20,738.14 = 8,741.84/x
  3. Step 3: Cross multiply
    15,025.82x = 20,738.14 × 8,741.84
  4. Step 4: Simplify right side
    15,025.82x = 181,289,501.78
  5. Step 5: Solve for x
    x = 181,289,501.78/15,025.82
  6. Step 6: Final answer
    x = 12,065.20

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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.