Home / 13,545.48-18,696.24-8,244.04

Finding the Fourth Proportional to 13,545.48, 18,696.24 and 8,244.04

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Solution

The fourth proportional to 13,545.48, 18,696.24 and 8,244.04 is: 11,378.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545.48 : 18,696.24 = 8,244.04 : x
  2. Step 2: Convert to fraction form
    13,545.48/18,696.24 = 8,244.04/x
  3. Step 3: Cross multiply
    13,545.48x = 18,696.24 × 8,244.04
  4. Step 4: Simplify right side
    13,545.48x = 154,132,550.41
  5. Step 5: Solve for x
    x = 154,132,550.41/13,545.48
  6. Step 6: Final answer
    x = 11,378.89

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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.