Home / 18,274.08-25,215.50-10,717.56

Finding the Fourth Proportional to 18,274.08, 25,215.50 and 10,717.56

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Solution

The fourth proportional to 18,274.08, 25,215.50 and 10,717.56 is: 14,788.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.08 : 25,215.50 = 10,717.56 : x
  2. Step 2: Convert to fraction form
    18,274.08/25,215.50 = 10,717.56/x
  3. Step 3: Cross multiply
    18,274.08x = 25,215.50 × 10,717.56
  4. Step 4: Simplify right side
    18,274.08x = 270,248,634.18
  5. Step 5: Solve for x
    x = 270,248,634.18/18,274.08
  6. Step 6: Final answer
    x = 14,788.63

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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.