Home / 18,368.50-25,341.26-11,993.06

Finding the Fourth Proportional to 18,368.50, 25,341.26 and 11,993.06

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Solution

The fourth proportional to 18,368.50, 25,341.26 and 11,993.06 is: 16,545.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,368.50 : 25,341.26 = 11,993.06 : x
  2. Step 2: Convert to fraction form
    18,368.50/25,341.26 = 11,993.06/x
  3. Step 3: Cross multiply
    18,368.50x = 25,341.26 × 11,993.06
  4. Step 4: Simplify right side
    18,368.50x = 303,919,251.66
  5. Step 5: Solve for x
    x = 303,919,251.66/18,368.50
  6. Step 6: Final answer
    x = 16,545.68

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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.