Home / 19,988.52-27,584.19-11,036.40

Finding the Fourth Proportional to 19,988.52, 27,584.19 and 11,036.40

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Solution

The fourth proportional to 19,988.52, 27,584.19 and 11,036.40 is: 15,230.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.52 : 27,584.19 = 11,036.40 : x
  2. Step 2: Convert to fraction form
    19,988.52/27,584.19 = 11,036.40/x
  3. Step 3: Cross multiply
    19,988.52x = 27,584.19 × 11,036.40
  4. Step 4: Simplify right side
    19,988.52x = 304,430,154.52
  5. Step 5: Solve for x
    x = 304,430,154.52/19,988.52
  6. Step 6: Final answer
    x = 15,230.25

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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.