Home / 15,436.22-21,301.99-9,061.56

Finding the Fourth Proportional to 15,436.22, 21,301.99 and 9,061.56

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Solution

The fourth proportional to 15,436.22, 21,301.99 and 9,061.56 is: 12,504.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.22 : 21,301.99 = 9,061.56 : x
  2. Step 2: Convert to fraction form
    15,436.22/21,301.99 = 9,061.56/x
  3. Step 3: Cross multiply
    15,436.22x = 21,301.99 × 9,061.56
  4. Step 4: Simplify right side
    15,436.22x = 193,029,237.85
  5. Step 5: Solve for x
    x = 193,029,237.85/15,436.22
  6. Step 6: Final answer
    x = 12,504.96

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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.