Home / 19,661.45-29,496.49-14,451.53

Finding the Fourth Proportional to 19,661.45, 29,496.49 and 14,451.53

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Solution

The fourth proportional to 19,661.45, 29,496.49 and 14,451.53 is: 21,680.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661.45 : 29,496.49 = 14,451.53 : x
  2. Step 2: Convert to fraction form
    19,661.45/29,496.49 = 14,451.53/x
  3. Step 3: Cross multiply
    19,661.45x = 29,496.49 × 14,451.53
  4. Step 4: Simplify right side
    19,661.45x = 426,269,226.52
  5. Step 5: Solve for x
    x = 426,269,226.52/19,661.45
  6. Step 6: Final answer
    x = 21,680.46

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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.