Home / 19,657.92-27,126.72-11,274.24

Finding the Fourth Proportional to 19,657.92, 27,126.72 and 11,274.24

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Solution

The fourth proportional to 19,657.92, 27,126.72 and 11,274.24 is: 15,557.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,657.92 : 27,126.72 = 11,274.24 : x
  2. Step 2: Convert to fraction form
    19,657.92/27,126.72 = 11,274.24/x
  3. Step 3: Cross multiply
    19,657.92x = 27,126.72 × 11,274.24
  4. Step 4: Simplify right side
    19,657.92x = 305,833,151.69
  5. Step 5: Solve for x
    x = 305,833,151.69/19,657.92
  6. Step 6: Final answer
    x = 15,557.76

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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.