Home / 19,680.94-29,473.44-13,013.38

Finding the Fourth Proportional to 19,680.94, 29,473.44 and 13,013.38

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Solution

The fourth proportional to 19,680.94, 29,473.44 and 13,013.38 is: 19,488.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,680.94 : 29,473.44 = 13,013.38 : x
  2. Step 2: Convert to fraction form
    19,680.94/29,473.44 = 13,013.38/x
  3. Step 3: Cross multiply
    19,680.94x = 29,473.44 × 13,013.38
  4. Step 4: Simplify right side
    19,680.94x = 383,549,074.63
  5. Step 5: Solve for x
    x = 383,549,074.63/19,680.94
  6. Step 6: Final answer
    x = 19,488.35

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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.