Home / 19,805.12-27,330.63-10,852.43

Finding the Fourth Proportional to 19,805.12, 27,330.63 and 10,852.43

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Solution

The fourth proportional to 19,805.12, 27,330.63 and 10,852.43 is: 14,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,805.12 : 27,330.63 = 10,852.43 : x
  2. Step 2: Convert to fraction form
    19,805.12/27,330.63 = 10,852.43/x
  3. Step 3: Cross multiply
    19,805.12x = 27,330.63 × 10,852.43
  4. Step 4: Simplify right side
    19,805.12x = 296,603,748.93
  5. Step 5: Solve for x
    x = 296,603,748.93/19,805.12
  6. Step 6: Final answer
    x = 14,976.11

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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.