Home / 19,049.13-26,287.79-10,665.63

Finding the Fourth Proportional to 19,049.13, 26,287.79 and 10,665.63

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Solution

The fourth proportional to 19,049.13, 26,287.79 and 10,665.63 is: 14,718.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,049.13 : 26,287.79 = 10,665.63 : x
  2. Step 2: Convert to fraction form
    19,049.13/26,287.79 = 10,665.63/x
  3. Step 3: Cross multiply
    19,049.13x = 26,287.79 × 10,665.63
  4. Step 4: Simplify right side
    19,049.13x = 280,375,841.66
  5. Step 5: Solve for x
    x = 280,375,841.66/19,049.13
  6. Step 6: Final answer
    x = 14,718.56

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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.