Home / 13,062.72-18,032.07-8,819.53

Finding the Fourth Proportional to 13,062.72, 18,032.07 and 8,819.53

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Solution

The fourth proportional to 13,062.72, 18,032.07 and 8,819.53 is: 12,174.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.72 : 18,032.07 = 8,819.53 : x
  2. Step 2: Convert to fraction form
    13,062.72/18,032.07 = 8,819.53/x
  3. Step 3: Cross multiply
    13,062.72x = 18,032.07 × 8,819.53
  4. Step 4: Simplify right side
    13,062.72x = 159,034,248.07
  5. Step 5: Solve for x
    x = 159,034,248.07/13,062.72
  6. Step 6: Final answer
    x = 12,174.67

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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.