Home / 19,633.64-27,118.02-14,320.04

Finding the Fourth Proportional to 19,633.64, 27,118.02 and 14,320.04

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Solution

The fourth proportional to 19,633.64, 27,118.02 and 14,320.04 is: 19,778.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,633.64 : 27,118.02 = 14,320.04 : x
  2. Step 2: Convert to fraction form
    19,633.64/27,118.02 = 14,320.04/x
  3. Step 3: Cross multiply
    19,633.64x = 27,118.02 × 14,320.04
  4. Step 4: Simplify right side
    19,633.64x = 388,331,131.12
  5. Step 5: Solve for x
    x = 388,331,131.12/19,633.64
  6. Step 6: Final answer
    x = 19,778.87

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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.