Home / 23,671.39-32,678.36-14,721.78

Finding the Fourth Proportional to 23,671.39, 32,678.36 and 14,721.78

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Solution

The fourth proportional to 23,671.39, 32,678.36 and 14,721.78 is: 20,323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,671.39 : 32,678.36 = 14,721.78 : x
  2. Step 2: Convert to fraction form
    23,671.39/32,678.36 = 14,721.78/x
  3. Step 3: Cross multiply
    23,671.39x = 32,678.36 × 14,721.78
  4. Step 4: Simplify right side
    23,671.39x = 481,083,553.07
  5. Step 5: Solve for x
    x = 481,083,553.07/23,671.39
  6. Step 6: Final answer
    x = 20,323.42

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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.