Home / 22,210.52-30,653.97-12,650.43

Finding the Fourth Proportional to 22,210.52, 30,653.97 and 12,650.43

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Solution

The fourth proportional to 22,210.52, 30,653.97 and 12,650.43 is: 17,459.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,210.52 : 30,653.97 = 12,650.43 : x
  2. Step 2: Convert to fraction form
    22,210.52/30,653.97 = 12,650.43/x
  3. Step 3: Cross multiply
    22,210.52x = 30,653.97 × 12,650.43
  4. Step 4: Simplify right side
    22,210.52x = 387,785,792.34
  5. Step 5: Solve for x
    x = 387,785,792.34/22,210.52
  6. Step 6: Final answer
    x = 17,459.55

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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.