Home / 27,511.11-37,965.78-15,574.14

Finding the Fourth Proportional to 27,511.11, 37,965.78 and 15,574.14

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Solution

The fourth proportional to 27,511.11, 37,965.78 and 15,574.14 is: 21,492.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,511.11 : 37,965.78 = 15,574.14 : x
  2. Step 2: Convert to fraction form
    27,511.11/37,965.78 = 15,574.14/x
  3. Step 3: Cross multiply
    27,511.11x = 37,965.78 × 15,574.14
  4. Step 4: Simplify right side
    27,511.11x = 591,284,372.93
  5. Step 5: Solve for x
    x = 591,284,372.93/27,511.11
  6. Step 6: Final answer
    x = 21,492.57

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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.