Home / 22,206.60-30,645.45-12,134.97

Finding the Fourth Proportional to 22,206.60, 30,645.45 and 12,134.97

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Solution

The fourth proportional to 22,206.60, 30,645.45 and 12,134.97 is: 16,746.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,206.60 : 30,645.45 = 12,134.97 : x
  2. Step 2: Convert to fraction form
    22,206.60/30,645.45 = 12,134.97/x
  3. Step 3: Cross multiply
    22,206.60x = 30,645.45 × 12,134.97
  4. Step 4: Simplify right side
    22,206.60x = 371,881,616.39
  5. Step 5: Solve for x
    x = 371,881,616.39/22,206.60
  6. Step 6: Final answer
    x = 16,746.45

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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.