Home / 19,532.84-26,955.80-11,150.12

Finding the Fourth Proportional to 19,532.84, 26,955.80 and 11,150.12

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Solution

The fourth proportional to 19,532.84, 26,955.80 and 11,150.12 is: 15,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,532.84 : 26,955.80 = 11,150.12 : x
  2. Step 2: Convert to fraction form
    19,532.84/26,955.80 = 11,150.12/x
  3. Step 3: Cross multiply
    19,532.84x = 26,955.80 × 11,150.12
  4. Step 4: Simplify right side
    19,532.84x = 300,560,404.70
  5. Step 5: Solve for x
    x = 300,560,404.70/19,532.84
  6. Step 6: Final answer
    x = 15,387.44

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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.