Home / 17,851.02-24,629.85-11,139.90

Finding the Fourth Proportional to 17,851.02, 24,629.85 and 11,139.90

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Solution

The fourth proportional to 17,851.02, 24,629.85 and 11,139.90 is: 15,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,851.02 : 24,629.85 = 11,139.90 : x
  2. Step 2: Convert to fraction form
    17,851.02/24,629.85 = 11,139.90/x
  3. Step 3: Cross multiply
    17,851.02x = 24,629.85 × 11,139.90
  4. Step 4: Simplify right side
    17,851.02x = 274,374,066.02
  5. Step 5: Solve for x
    x = 274,374,066.02/17,851.02
  6. Step 6: Final answer
    x = 15,370.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.