Home / 19,695.04-27,179.24-10,742.74

Finding the Fourth Proportional to 19,695.04, 27,179.24 and 10,742.74

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Solution

The fourth proportional to 19,695.04, 27,179.24 and 10,742.74 is: 14,825.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.04 : 27,179.24 = 10,742.74 : x
  2. Step 2: Convert to fraction form
    19,695.04/27,179.24 = 10,742.74/x
  3. Step 3: Cross multiply
    19,695.04x = 27,179.24 × 10,742.74
  4. Step 4: Simplify right side
    19,695.04x = 291,979,481.05
  5. Step 5: Solve for x
    x = 291,979,481.05/19,695.04
  6. Step 6: Final answer
    x = 14,825.02

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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.