Home / 25,519.49-35,216.97-14,189.72

Finding the Fourth Proportional to 25,519.49, 35,216.97 and 14,189.72

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Solution

The fourth proportional to 25,519.49, 35,216.97 and 14,189.72 is: 19,581.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,519.49 : 35,216.97 = 14,189.72 : x
  2. Step 2: Convert to fraction form
    25,519.49/35,216.97 = 14,189.72/x
  3. Step 3: Cross multiply
    25,519.49x = 35,216.97 × 14,189.72
  4. Step 4: Simplify right side
    25,519.49x = 499,718,767.46
  5. Step 5: Solve for x
    x = 499,718,767.46/25,519.49
  6. Step 6: Final answer
    x = 19,581.85

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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.