Home / 22,228.74-33,349.59-9,078.66

Finding the Fourth Proportional to 22,228.74, 33,349.59 and 9,078.66

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Solution

The fourth proportional to 22,228.74, 33,349.59 and 9,078.66 is: 13,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,228.74 : 33,349.59 = 9,078.66 : x
  2. Step 2: Convert to fraction form
    22,228.74/33,349.59 = 9,078.66/x
  3. Step 3: Cross multiply
    22,228.74x = 33,349.59 × 9,078.66
  4. Step 4: Simplify right side
    22,228.74x = 302,769,588.75
  5. Step 5: Solve for x
    x = 302,769,588.75/22,228.74
  6. Step 6: Final answer
    x = 13,620.64

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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.