Home / 15,091.80-22,639.98-5,228.43

Finding the Fourth Proportional to 15,091.80, 22,639.98 and 5,228.43

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Solution

The fourth proportional to 15,091.80, 22,639.98 and 5,228.43 is: 7,843.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,091.80 : 22,639.98 = 5,228.43 : x
  2. Step 2: Convert to fraction form
    15,091.80/22,639.98 = 5,228.43/x
  3. Step 3: Cross multiply
    15,091.80x = 22,639.98 × 5,228.43
  4. Step 4: Simplify right side
    15,091.80x = 118,371,550.63
  5. Step 5: Solve for x
    x = 118,371,550.63/15,091.80
  6. Step 6: Final answer
    x = 7,843.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.