Home / 14,721.54-20,333.97-10,681.89

Finding the Fourth Proportional to 14,721.54, 20,333.97 and 10,681.89

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Solution

The fourth proportional to 14,721.54, 20,333.97 and 10,681.89 is: 14,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721.54 : 20,333.97 = 10,681.89 : x
  2. Step 2: Convert to fraction form
    14,721.54/20,333.97 = 10,681.89/x
  3. Step 3: Cross multiply
    14,721.54x = 20,333.97 × 10,681.89
  4. Step 4: Simplify right side
    14,721.54x = 217,205,230.80
  5. Step 5: Solve for x
    x = 217,205,230.80/14,721.54
  6. Step 6: Final answer
    x = 14,754.25

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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.