Home / 15,956.96-22,020.26-9,243.80

Finding the Fourth Proportional to 15,956.96, 22,020.26 and 9,243.80

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Solution

The fourth proportional to 15,956.96, 22,020.26 and 9,243.80 is: 12,756.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,956.96 : 22,020.26 = 9,243.80 : x
  2. Step 2: Convert to fraction form
    15,956.96/22,020.26 = 9,243.80/x
  3. Step 3: Cross multiply
    15,956.96x = 22,020.26 × 9,243.80
  4. Step 4: Simplify right side
    15,956.96x = 203,550,879.39
  5. Step 5: Solve for x
    x = 203,550,879.39/15,956.96
  6. Step 6: Final answer
    x = 12,756.24

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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.