Home / 22,079.36-33,109.32-11,688.68

Finding the Fourth Proportional to 22,079.36, 33,109.32 and 11,688.68

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Solution

The fourth proportional to 22,079.36, 33,109.32 and 11,688.68 is: 17,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,079.36 : 33,109.32 = 11,688.68 : x
  2. Step 2: Convert to fraction form
    22,079.36/33,109.32 = 11,688.68/x
  3. Step 3: Cross multiply
    22,079.36x = 33,109.32 × 11,688.68
  4. Step 4: Simplify right side
    22,079.36x = 387,004,246.50
  5. Step 5: Solve for x
    x = 387,004,246.50/22,079.36
  6. Step 6: Final answer
    x = 17,527.87

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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.