Home / 54,655.13-81,994.22-17,716.25

Finding the Fourth Proportional to 54,655.13, 81,994.22 and 17,716.25

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Solution

The fourth proportional to 54,655.13, 81,994.22 and 17,716.25 is: 26,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,655.13 : 81,994.22 = 17,716.25 : x
  2. Step 2: Convert to fraction form
    54,655.13/81,994.22 = 17,716.25/x
  3. Step 3: Cross multiply
    54,655.13x = 81,994.22 × 17,716.25
  4. Step 4: Simplify right side
    54,655.13x = 1,452,630,100.08
  5. Step 5: Solve for x
    x = 1,452,630,100.08/54,655.13
  6. Step 6: Final answer
    x = 26,578.11

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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.