Home / 19,678.14-29,530.58-14,759.82

Finding the Fourth Proportional to 19,678.14, 29,530.58 and 14,759.82

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Solution

The fourth proportional to 19,678.14, 29,530.58 and 14,759.82 is: 22,149.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,678.14 : 29,530.58 = 14,759.82 : x
  2. Step 2: Convert to fraction form
    19,678.14/29,530.58 = 14,759.82/x
  3. Step 3: Cross multiply
    19,678.14x = 29,530.58 × 14,759.82
  4. Step 4: Simplify right side
    19,678.14x = 435,865,971.50
  5. Step 5: Solve for x
    x = 435,865,971.50/19,678.14
  6. Step 6: Final answer
    x = 22,149.75

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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.