Home / 15,965.87-22,032.89-9,255.39

Finding the Fourth Proportional to 15,965.87, 22,032.89 and 9,255.39

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Solution

The fourth proportional to 15,965.87, 22,032.89 and 9,255.39 is: 12,772.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965.87 : 22,032.89 = 9,255.39 : x
  2. Step 2: Convert to fraction form
    15,965.87/22,032.89 = 9,255.39/x
  3. Step 3: Cross multiply
    15,965.87x = 22,032.89 × 9,255.39
  4. Step 4: Simplify right side
    15,965.87x = 203,922,943.50
  5. Step 5: Solve for x
    x = 203,922,943.50/15,965.87
  6. Step 6: Final answer
    x = 12,772.43

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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.