Home / 19,591.26-27,036.12-10,638.84

Finding the Fourth Proportional to 19,591.26, 27,036.12 and 10,638.84

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Solution

The fourth proportional to 19,591.26, 27,036.12 and 10,638.84 is: 14,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.26 : 27,036.12 = 10,638.84 : x
  2. Step 2: Convert to fraction form
    19,591.26/27,036.12 = 10,638.84/x
  3. Step 3: Cross multiply
    19,591.26x = 27,036.12 × 10,638.84
  4. Step 4: Simplify right side
    19,591.26x = 287,632,954.90
  5. Step 5: Solve for x
    x = 287,632,954.90/19,591.26
  6. Step 6: Final answer
    x = 14,681.70

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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.