Home / 13,524.92-18,664.26-7,557.62

Finding the Fourth Proportional to 13,524.92, 18,664.26 and 7,557.62

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Solution

The fourth proportional to 13,524.92, 18,664.26 and 7,557.62 is: 10,429.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.92 : 18,664.26 = 7,557.62 : x
  2. Step 2: Convert to fraction form
    13,524.92/18,664.26 = 7,557.62/x
  3. Step 3: Cross multiply
    13,524.92x = 18,664.26 × 7,557.62
  4. Step 4: Simplify right side
    13,524.92x = 141,057,384.66
  5. Step 5: Solve for x
    x = 141,057,384.66/13,524.92
  6. Step 6: Final answer
    x = 10,429.44

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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.