Home / 19,695.42-27,179.76-10,743.11

Finding the Fourth Proportional to 19,695.42, 27,179.76 and 10,743.11

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Solution

The fourth proportional to 19,695.42, 27,179.76 and 10,743.11 is: 14,825.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.42 : 27,179.76 = 10,743.11 : x
  2. Step 2: Convert to fraction form
    19,695.42/27,179.76 = 10,743.11/x
  3. Step 3: Cross multiply
    19,695.42x = 27,179.76 × 10,743.11
  4. Step 4: Simplify right side
    19,695.42x = 291,995,151.45
  5. Step 5: Solve for x
    x = 291,995,151.45/19,695.42
  6. Step 6: Final answer
    x = 14,825.54

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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.