Home / 22,210.75-30,650.84-13,827.25

Finding the Fourth Proportional to 22,210.75, 30,650.84 and 13,827.25

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Solution

The fourth proportional to 22,210.75, 30,650.84 and 13,827.25 is: 19,081.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,210.75 : 30,650.84 = 13,827.25 : x
  2. Step 2: Convert to fraction form
    22,210.75/30,650.84 = 13,827.25/x
  3. Step 3: Cross multiply
    22,210.75x = 30,650.84 × 13,827.25
  4. Step 4: Simplify right side
    22,210.75x = 423,816,827.39
  5. Step 5: Solve for x
    x = 423,816,827.39/22,210.75
  6. Step 6: Final answer
    x = 19,081.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.