Home / 19,695.47-27,180.11-10,743.29

Finding the Fourth Proportional to 19,695.47, 27,180.11 and 10,743.29

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Solution

The fourth proportional to 19,695.47, 27,180.11 and 10,743.29 is: 14,825.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.47 : 27,180.11 = 10,743.29 : x
  2. Step 2: Convert to fraction form
    19,695.47/27,180.11 = 10,743.29/x
  3. Step 3: Cross multiply
    19,695.47x = 27,180.11 × 10,743.29
  4. Step 4: Simplify right side
    19,695.47x = 292,003,803.96
  5. Step 5: Solve for x
    x = 292,003,803.96/19,695.47
  6. Step 6: Final answer
    x = 14,825.94

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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.