Home / 19,695.26-27,177.60-10,742.56

Finding the Fourth Proportional to 19,695.26, 27,177.60 and 10,742.56

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Solution

The fourth proportional to 19,695.26, 27,177.60 and 10,742.56 is: 14,823.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.26 : 27,177.60 = 10,742.56 : x
  2. Step 2: Convert to fraction form
    19,695.26/27,177.60 = 10,742.56/x
  3. Step 3: Cross multiply
    19,695.26x = 27,177.60 × 10,742.56
  4. Step 4: Simplify right side
    19,695.26x = 291,956,998.66
  5. Step 5: Solve for x
    x = 291,956,998.66/19,695.26
  6. Step 6: Final answer
    x = 14,823.72

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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.