Home / 22,531.74-33,632.58-19,871.61

Finding the Fourth Proportional to 22,531.74, 33,632.58 and 19,871.61

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Solution

The fourth proportional to 22,531.74, 33,632.58 and 19,871.61 is: 29,661.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,531.74 : 33,632.58 = 19,871.61 : x
  2. Step 2: Convert to fraction form
    22,531.74/33,632.58 = 19,871.61/x
  3. Step 3: Cross multiply
    22,531.74x = 33,632.58 × 19,871.61
  4. Step 4: Simplify right side
    22,531.74x = 668,333,513.05
  5. Step 5: Solve for x
    x = 668,333,513.05/22,531.74
  6. Step 6: Final answer
    x = 29,661.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.