Home / 27,512.11-37,966.38-15,577.77

Finding the Fourth Proportional to 27,512.11, 37,966.38 and 15,577.77

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Solution

The fourth proportional to 27,512.11, 37,966.38 and 15,577.77 is: 21,497.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,512.11 : 37,966.38 = 15,577.77 : x
  2. Step 2: Convert to fraction form
    27,512.11/37,966.38 = 15,577.77/x
  3. Step 3: Cross multiply
    27,512.11x = 37,966.38 × 15,577.77
  4. Step 4: Simplify right side
    27,512.11x = 591,431,535.37
  5. Step 5: Solve for x
    x = 591,431,535.37/27,512.11
  6. Step 6: Final answer
    x = 21,497.13

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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.