Home / 15,795.78-21,797.77-10,411.62

Finding the Fourth Proportional to 15,795.78, 21,797.77 and 10,411.62

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Solution

The fourth proportional to 15,795.78, 21,797.77 and 10,411.62 is: 14,367.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,795.78 : 21,797.77 = 10,411.62 : x
  2. Step 2: Convert to fraction form
    15,795.78/21,797.77 = 10,411.62/x
  3. Step 3: Cross multiply
    15,795.78x = 21,797.77 × 10,411.62
  4. Step 4: Simplify right side
    15,795.78x = 226,950,098.09
  5. Step 5: Solve for x
    x = 226,950,098.09/15,795.78
  6. Step 6: Final answer
    x = 14,367.77

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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.