Home / 19,718.46-27,211.41-11,761.02

Finding the Fourth Proportional to 19,718.46, 27,211.41 and 11,761.02

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Solution

The fourth proportional to 19,718.46, 27,211.41 and 11,761.02 is: 16,230.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.46 : 27,211.41 = 11,761.02 : x
  2. Step 2: Convert to fraction form
    19,718.46/27,211.41 = 11,761.02/x
  3. Step 3: Cross multiply
    19,718.46x = 27,211.41 × 11,761.02
  4. Step 4: Simplify right side
    19,718.46x = 320,033,937.24
  5. Step 5: Solve for x
    x = 320,033,937.24/19,718.46
  6. Step 6: Final answer
    x = 16,230.17

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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.