Home / 13,317.35-18,377.92-7,349.01

Finding the Fourth Proportional to 13,317.35, 18,377.92 and 7,349.01

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Solution

The fourth proportional to 13,317.35, 18,377.92 and 7,349.01 is: 10,141.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.35 : 18,377.92 = 7,349.01 : x
  2. Step 2: Convert to fraction form
    13,317.35/18,377.92 = 7,349.01/x
  3. Step 3: Cross multiply
    13,317.35x = 18,377.92 × 7,349.01
  4. Step 4: Simplify right side
    13,317.35x = 135,059,545.43
  5. Step 5: Solve for x
    x = 135,059,545.43/13,317.35
  6. Step 6: Final answer
    x = 10,141.63

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1.5x scale

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.