Home / 26,488.53-39,693.92-13,322.79

Finding the Fourth Proportional to 26,488.53, 39,693.92 and 13,322.79

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Solution

The fourth proportional to 26,488.53, 39,693.92 and 13,322.79 is: 19,964.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,488.53 : 39,693.92 = 13,322.79 : x
  2. Step 2: Convert to fraction form
    26,488.53/39,693.92 = 13,322.79/x
  3. Step 3: Cross multiply
    26,488.53x = 39,693.92 × 13,322.79
  4. Step 4: Simplify right side
    26,488.53x = 528,833,693.82
  5. Step 5: Solve for x
    x = 528,833,693.82/26,488.53
  6. Step 6: Final answer
    x = 19,964.63

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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.