Home / 19,884.16-29,831.11-9,893.62

Finding the Fourth Proportional to 19,884.16, 29,831.11 and 9,893.62

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Solution

The fourth proportional to 19,884.16, 29,831.11 and 9,893.62 is: 14,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,884.16 : 29,831.11 = 9,893.62 : x
  2. Step 2: Convert to fraction form
    19,884.16/29,831.11 = 9,893.62/x
  3. Step 3: Cross multiply
    19,884.16x = 29,831.11 × 9,893.62
  4. Step 4: Simplify right side
    19,884.16x = 295,137,666.52
  5. Step 5: Solve for x
    x = 295,137,666.52/19,884.16
  6. Step 6: Final answer
    x = 14,842.85

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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.