Home / 19,805.11-27,331.08-10,852.45

Finding the Fourth Proportional to 19,805.11, 27,331.08 and 10,852.45

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Solution

The fourth proportional to 19,805.11, 27,331.08 and 10,852.45 is: 14,976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,805.11 : 27,331.08 = 10,852.45 : x
  2. Step 2: Convert to fraction form
    19,805.11/27,331.08 = 10,852.45/x
  3. Step 3: Cross multiply
    19,805.11x = 27,331.08 × 10,852.45
  4. Step 4: Simplify right side
    19,805.11x = 296,609,042.49
  5. Step 5: Solve for x
    x = 296,609,042.49/19,805.11
  6. Step 6: Final answer
    x = 14,976.39

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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.