Home / 16,618.68-22,902.12-11,894.76

Finding the Fourth Proportional to 16,618.68, 22,902.12 and 11,894.76

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Solution

The fourth proportional to 16,618.68, 22,902.12 and 11,894.76 is: 16,392.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,618.68 : 22,902.12 = 11,894.76 : x
  2. Step 2: Convert to fraction form
    16,618.68/22,902.12 = 11,894.76/x
  3. Step 3: Cross multiply
    16,618.68x = 22,902.12 × 11,894.76
  4. Step 4: Simplify right side
    16,618.68x = 272,415,220.89
  5. Step 5: Solve for x
    x = 272,415,220.89/16,618.68
  6. Step 6: Final answer
    x = 16,392.11

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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.