Home / 13,151.18-19,717.05-4,826.81

Finding the Fourth Proportional to 13,151.18, 19,717.05 and 4,826.81

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Solution

The fourth proportional to 13,151.18, 19,717.05 and 4,826.81 is: 7,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.18 : 19,717.05 = 4,826.81 : x
  2. Step 2: Convert to fraction form
    13,151.18/19,717.05 = 4,826.81/x
  3. Step 3: Cross multiply
    13,151.18x = 19,717.05 × 4,826.81
  4. Step 4: Simplify right side
    13,151.18x = 95,170,454.11
  5. Step 5: Solve for x
    x = 95,170,454.11/13,151.18
  6. Step 6: Final answer
    x = 7,236.65

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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.