Home / 19,772.48-27,286.02-10,819.98

Finding the Fourth Proportional to 19,772.48, 27,286.02 and 10,819.98

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Solution

The fourth proportional to 19,772.48, 27,286.02 and 10,819.98 is: 14,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.48 : 27,286.02 = 10,819.98 : x
  2. Step 2: Convert to fraction form
    19,772.48/27,286.02 = 10,819.98/x
  3. Step 3: Cross multiply
    19,772.48x = 27,286.02 × 10,819.98
  4. Step 4: Simplify right side
    19,772.48x = 295,234,245.07
  5. Step 5: Solve for x
    x = 295,234,245.07/19,772.48
  6. Step 6: Final answer
    x = 14,931.58

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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.