Home / 19,589.76-27,031.68-12,410.88

Finding the Fourth Proportional to 19,589.76, 27,031.68 and 12,410.88

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Solution

The fourth proportional to 19,589.76, 27,031.68 and 12,410.88 is: 17,125.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,589.76 : 27,031.68 = 12,410.88 : x
  2. Step 2: Convert to fraction form
    19,589.76/27,031.68 = 12,410.88/x
  3. Step 3: Cross multiply
    19,589.76x = 27,031.68 × 12,410.88
  4. Step 4: Simplify right side
    19,589.76x = 335,486,936.68
  5. Step 5: Solve for x
    x = 335,486,936.68/19,589.76
  6. Step 6: Final answer
    x = 17,125.63

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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.