Home / 19,874.52-29,813.16-6,722.45

Finding the Fourth Proportional to 19,874.52, 29,813.16 and 6,722.45

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Solution

The fourth proportional to 19,874.52, 29,813.16 and 6,722.45 is: 10,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.52 : 29,813.16 = 6,722.45 : x
  2. Step 2: Convert to fraction form
    19,874.52/29,813.16 = 6,722.45/x
  3. Step 3: Cross multiply
    19,874.52x = 29,813.16 × 6,722.45
  4. Step 4: Simplify right side
    19,874.52x = 200,417,328.38
  5. Step 5: Solve for x
    x = 200,417,328.38/19,874.52
  6. Step 6: Final answer
    x = 10,084.13

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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.