Home / 22,085.15-33,120.70-7,291.31

Finding the Fourth Proportional to 22,085.15, 33,120.70 and 7,291.31

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Solution

The fourth proportional to 22,085.15, 33,120.70 and 7,291.31 is: 10,934.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,085.15 : 33,120.70 = 7,291.31 : x
  2. Step 2: Convert to fraction form
    22,085.15/33,120.70 = 7,291.31/x
  3. Step 3: Cross multiply
    22,085.15x = 33,120.70 × 7,291.31
  4. Step 4: Simplify right side
    22,085.15x = 241,493,107.29
  5. Step 5: Solve for x
    x = 241,493,107.29/22,085.15
  6. Step 6: Final answer
    x = 10,934.64

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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.