Home / 20,543.44-30,815.97-8,848.66

Finding the Fourth Proportional to 20,543.44, 30,815.97 and 8,848.66

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Solution

The fourth proportional to 20,543.44, 30,815.97 and 8,848.66 is: 13,273.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,543.44 : 30,815.97 = 8,848.66 : x
  2. Step 2: Convert to fraction form
    20,543.44/30,815.97 = 8,848.66/x
  3. Step 3: Cross multiply
    20,543.44x = 30,815.97 × 8,848.66
  4. Step 4: Simplify right side
    20,543.44x = 272,680,041.10
  5. Step 5: Solve for x
    x = 272,680,041.10/20,543.44
  6. Step 6: Final answer
    x = 13,273.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.