Home / 26,985.02-40,451.52-17,099.78

Finding the Fourth Proportional to 26,985.02, 40,451.52 and 17,099.78

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Solution

The fourth proportional to 26,985.02, 40,451.52 and 17,099.78 is: 25,633.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,985.02 : 40,451.52 = 17,099.78 : x
  2. Step 2: Convert to fraction form
    26,985.02/40,451.52 = 17,099.78/x
  3. Step 3: Cross multiply
    26,985.02x = 40,451.52 × 17,099.78
  4. Step 4: Simplify right side
    26,985.02x = 691,712,092.67
  5. Step 5: Solve for x
    x = 691,712,092.67/26,985.02
  6. Step 6: Final answer
    x = 25,633.19

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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.