Home / 19,675.17-27,151.34-10,722.71

Finding the Fourth Proportional to 19,675.17, 27,151.34 and 10,722.71

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Solution

The fourth proportional to 19,675.17, 27,151.34 and 10,722.71 is: 14,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675.17 : 27,151.34 = 10,722.71 : x
  2. Step 2: Convert to fraction form
    19,675.17/27,151.34 = 10,722.71/x
  3. Step 3: Cross multiply
    19,675.17x = 27,151.34 × 10,722.71
  4. Step 4: Simplify right side
    19,675.17x = 291,135,959.20
  5. Step 5: Solve for x
    x = 291,135,959.20/19,675.17
  6. Step 6: Final answer
    x = 14,797.13

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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.