Home / 20,834.64-31,252.17-5,252.27

Finding the Fourth Proportional to 20,834.64, 31,252.17 and 5,252.27

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Solution

The fourth proportional to 20,834.64, 31,252.17 and 5,252.27 is: 7,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,834.64 : 31,252.17 = 5,252.27 : x
  2. Step 2: Convert to fraction form
    20,834.64/31,252.17 = 5,252.27/x
  3. Step 3: Cross multiply
    20,834.64x = 31,252.17 × 5,252.27
  4. Step 4: Simplify right side
    20,834.64x = 164,144,678.67
  5. Step 5: Solve for x
    x = 164,144,678.67/20,834.64
  6. Step 6: Final answer
    x = 7,878.45

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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.