Home / 15,795.62-21,799.10-9,083.35

Finding the Fourth Proportional to 15,795.62, 21,799.10 and 9,083.35

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Solution

The fourth proportional to 15,795.62, 21,799.10 and 9,083.35 is: 12,535.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,795.62 : 21,799.10 = 9,083.35 : x
  2. Step 2: Convert to fraction form
    15,795.62/21,799.10 = 9,083.35/x
  3. Step 3: Cross multiply
    15,795.62x = 21,799.10 × 9,083.35
  4. Step 4: Simplify right side
    15,795.62x = 198,008,755.07
  5. Step 5: Solve for x
    x = 198,008,755.07/15,795.62
  6. Step 6: Final answer
    x = 12,535.68

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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.