Home / 14,436.78-21,660.39-5,666.82

Finding the Fourth Proportional to 14,436.78, 21,660.39 and 5,666.82

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Solution

The fourth proportional to 14,436.78, 21,660.39 and 5,666.82 is: 8,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,436.78 : 21,660.39 = 5,666.82 : x
  2. Step 2: Convert to fraction form
    14,436.78/21,660.39 = 5,666.82/x
  3. Step 3: Cross multiply
    14,436.78x = 21,660.39 × 5,666.82
  4. Step 4: Simplify right side
    14,436.78x = 122,745,531.26
  5. Step 5: Solve for x
    x = 122,745,531.26/14,436.78
  6. Step 6: Final answer
    x = 8,502.28

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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.