Home / 26,543.23-39,820.61-8,074.75

Finding the Fourth Proportional to 26,543.23, 39,820.61 and 8,074.75

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Solution

The fourth proportional to 26,543.23, 39,820.61 and 8,074.75 is: 12,113.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,543.23 : 39,820.61 = 8,074.75 : x
  2. Step 2: Convert to fraction form
    26,543.23/39,820.61 = 8,074.75/x
  3. Step 3: Cross multiply
    26,543.23x = 39,820.61 × 8,074.75
  4. Step 4: Simplify right side
    26,543.23x = 321,541,430.22
  5. Step 5: Solve for x
    x = 321,541,430.22/26,543.23
  6. Step 6: Final answer
    x = 12,113.88

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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.