Home / 15,039.96-20,760.60-8,752.33

Finding the Fourth Proportional to 15,039.96, 20,760.60 and 8,752.33

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Solution

The fourth proportional to 15,039.96, 20,760.60 and 8,752.33 is: 12,081.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,039.96 : 20,760.60 = 8,752.33 : x
  2. Step 2: Convert to fraction form
    15,039.96/20,760.60 = 8,752.33/x
  3. Step 3: Cross multiply
    15,039.96x = 20,760.60 × 8,752.33
  4. Step 4: Simplify right side
    15,039.96x = 181,703,622.20
  5. Step 5: Solve for x
    x = 181,703,622.20/15,039.96
  6. Step 6: Final answer
    x = 12,081.39

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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.