Home / 19,115.42-28,693.88-14,102.06

Finding the Fourth Proportional to 19,115.42, 28,693.88 and 14,102.06

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Solution

The fourth proportional to 19,115.42, 28,693.88 and 14,102.06 is: 21,168.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.42 : 28,693.88 = 14,102.06 : x
  2. Step 2: Convert to fraction form
    19,115.42/28,693.88 = 14,102.06/x
  3. Step 3: Cross multiply
    19,115.42x = 28,693.88 × 14,102.06
  4. Step 4: Simplify right side
    19,115.42x = 404,642,924.38
  5. Step 5: Solve for x
    x = 404,642,924.38/19,115.42
  6. Step 6: Final answer
    x = 21,168.41

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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.