Home / 26,302.48-39,445.20-8,767.60

Finding the Fourth Proportional to 26,302.48, 39,445.20 and 8,767.60

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Solution

The fourth proportional to 26,302.48, 39,445.20 and 8,767.60 is: 13,148.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,302.48 : 39,445.20 = 8,767.60 : x
  2. Step 2: Convert to fraction form
    26,302.48/39,445.20 = 8,767.60/x
  3. Step 3: Cross multiply
    26,302.48x = 39,445.20 × 8,767.60
  4. Step 4: Simplify right side
    26,302.48x = 345,839,735.52
  5. Step 5: Solve for x
    x = 345,839,735.52/26,302.48
  6. Step 6: Final answer
    x = 13,148.56

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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.