Home / 15,120.66-22,679.18-4,028.16

Finding the Fourth Proportional to 15,120.66, 22,679.18 and 4,028.16

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Solution

The fourth proportional to 15,120.66, 22,679.18 and 4,028.16 is: 6,041.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120.66 : 22,679.18 = 4,028.16 : x
  2. Step 2: Convert to fraction form
    15,120.66/22,679.18 = 4,028.16/x
  3. Step 3: Cross multiply
    15,120.66x = 22,679.18 × 4,028.16
  4. Step 4: Simplify right side
    15,120.66x = 91,355,365.71
  5. Step 5: Solve for x
    x = 91,355,365.71/15,120.66
  6. Step 6: Final answer
    x = 6,041.76

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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.