Home / 19,988.61-27,584.32-11,036.13

Finding the Fourth Proportional to 19,988.61, 27,584.32 and 11,036.13

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Solution

The fourth proportional to 19,988.61, 27,584.32 and 11,036.13 is: 15,229.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.61 : 27,584.32 = 11,036.13 : x
  2. Step 2: Convert to fraction form
    19,988.61/27,584.32 = 11,036.13/x
  3. Step 3: Cross multiply
    19,988.61x = 27,584.32 × 11,036.13
  4. Step 4: Simplify right side
    19,988.61x = 304,424,141.48
  5. Step 5: Solve for x
    x = 304,424,141.48/19,988.61
  6. Step 6: Final answer
    x = 15,229.88

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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.