Home / 26,121.76-39,182.46-10,539.16

Finding the Fourth Proportional to 26,121.76, 39,182.46 and 10,539.16

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Solution

The fourth proportional to 26,121.76, 39,182.46 and 10,539.16 is: 15,808.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,121.76 : 39,182.46 = 10,539.16 : x
  2. Step 2: Convert to fraction form
    26,121.76/39,182.46 = 10,539.16/x
  3. Step 3: Cross multiply
    26,121.76x = 39,182.46 × 10,539.16
  4. Step 4: Simplify right side
    26,121.76x = 412,950,215.13
  5. Step 5: Solve for x
    x = 412,950,215.13/26,121.76
  6. Step 6: Final answer
    x = 15,808.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.