Home / 26,519.04-39,720.96-25,781.76

Finding the Fourth Proportional to 26,519.04, 39,720.96 and 25,781.76

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Solution

The fourth proportional to 26,519.04, 39,720.96 and 25,781.76 is: 38,616.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,519.04 : 39,720.96 = 25,781.76 : x
  2. Step 2: Convert to fraction form
    26,519.04/39,720.96 = 25,781.76/x
  3. Step 3: Cross multiply
    26,519.04x = 39,720.96 × 25,781.76
  4. Step 4: Simplify right side
    26,519.04x = 1,024,076,257.69
  5. Step 5: Solve for x
    x = 1,024,076,257.69/26,519.04
  6. Step 6: Final answer
    x = 38,616.64

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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.