Home / 19,725.11-29,587.94-5,685.38

Finding the Fourth Proportional to 19,725.11, 29,587.94 and 5,685.38

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Solution

The fourth proportional to 19,725.11, 29,587.94 and 5,685.38 is: 8,528.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.11 : 29,587.94 = 5,685.38 : x
  2. Step 2: Convert to fraction form
    19,725.11/29,587.94 = 5,685.38/x
  3. Step 3: Cross multiply
    19,725.11x = 29,587.94 × 5,685.38
  4. Step 4: Simplify right side
    19,725.11x = 168,218,653.89
  5. Step 5: Solve for x
    x = 168,218,653.89/19,725.11
  6. Step 6: Final answer
    x = 8,528.15

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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.