Home / 19,936.60-27,515.54-15,148.74

Finding the Fourth Proportional to 19,936.60, 27,515.54 and 15,148.74

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Solution

The fourth proportional to 19,936.60, 27,515.54 and 15,148.74 is: 20,907.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.60 : 27,515.54 = 15,148.74 : x
  2. Step 2: Convert to fraction form
    19,936.60/27,515.54 = 15,148.74/x
  3. Step 3: Cross multiply
    19,936.60x = 27,515.54 × 15,148.74
  4. Step 4: Simplify right side
    19,936.60x = 416,825,799.29
  5. Step 5: Solve for x
    x = 416,825,799.29/19,936.60
  6. Step 6: Final answer
    x = 20,907.57

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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.