Home / 19,941.11-27,517.73-10,987.17

Finding the Fourth Proportional to 19,941.11, 27,517.73 and 10,987.17

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Solution

The fourth proportional to 19,941.11, 27,517.73 and 10,987.17 is: 15,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941.11 : 27,517.73 = 10,987.17 : x
  2. Step 2: Convert to fraction form
    19,941.11/27,517.73 = 10,987.17/x
  3. Step 3: Cross multiply
    19,941.11x = 27,517.73 × 10,987.17
  4. Step 4: Simplify right side
    19,941.11x = 302,341,977.52
  5. Step 5: Solve for x
    x = 302,341,977.52/19,941.11
  6. Step 6: Final answer
    x = 15,161.74

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1.5x scale

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.