Home / 19,531.14-26,955.66-11,976.13

Finding the Fourth Proportional to 19,531.14, 26,955.66 and 11,976.13

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Solution

The fourth proportional to 19,531.14, 26,955.66 and 11,976.13 is: 16,528.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.14 : 26,955.66 = 11,976.13 : x
  2. Step 2: Convert to fraction form
    19,531.14/26,955.66 = 11,976.13/x
  3. Step 3: Cross multiply
    19,531.14x = 26,955.66 × 11,976.13
  4. Step 4: Simplify right side
    19,531.14x = 322,824,488.40
  5. Step 5: Solve for x
    x = 322,824,488.40/19,531.14
  6. Step 6: Final answer
    x = 16,528.71

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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.