Home / 19,805.05-27,330.94-10,852.55

Finding the Fourth Proportional to 19,805.05, 27,330.94 and 10,852.55

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Solution

The fourth proportional to 19,805.05, 27,330.94 and 10,852.55 is: 14,976.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,805.05 : 27,330.94 = 10,852.55 : x
  2. Step 2: Convert to fraction form
    19,805.05/27,330.94 = 10,852.55/x
  3. Step 3: Cross multiply
    19,805.05x = 27,330.94 × 10,852.55
  4. Step 4: Simplify right side
    19,805.05x = 296,610,392.90
  5. Step 5: Solve for x
    x = 296,610,392.90/19,805.05
  6. Step 6: Final answer
    x = 14,976.50

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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.