Home / 15,061.03-20,783.65-8,346.48

Finding the Fourth Proportional to 15,061.03, 20,783.65 and 8,346.48

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Solution

The fourth proportional to 15,061.03, 20,783.65 and 8,346.48 is: 11,517.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,061.03 : 20,783.65 = 8,346.48 : x
  2. Step 2: Convert to fraction form
    15,061.03/20,783.65 = 8,346.48/x
  3. Step 3: Cross multiply
    15,061.03x = 20,783.65 × 8,346.48
  4. Step 4: Simplify right side
    15,061.03x = 173,470,319.05
  5. Step 5: Solve for x
    x = 173,470,319.05/15,061.03
  6. Step 6: Final answer
    x = 11,517.83

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Similar ratio
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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.