Home / 22,455.95-33,640.17-13,669.07

Finding the Fourth Proportional to 22,455.95, 33,640.17 and 13,669.07

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Solution

The fourth proportional to 22,455.95, 33,640.17 and 13,669.07 is: 20,476.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,455.95 : 33,640.17 = 13,669.07 : x
  2. Step 2: Convert to fraction form
    22,455.95/33,640.17 = 13,669.07/x
  3. Step 3: Cross multiply
    22,455.95x = 33,640.17 × 13,669.07
  4. Step 4: Simplify right side
    22,455.95x = 459,829,838.54
  5. Step 5: Solve for x
    x = 459,829,838.54/22,455.95
  6. Step 6: Final answer
    x = 20,476.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.