Home / 19,464.48-29,155.14-8,356.68

Finding the Fourth Proportional to 19,464.48, 29,155.14 and 8,356.68

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Solution

The fourth proportional to 19,464.48, 29,155.14 and 8,356.68 is: 12,517.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,464.48 : 29,155.14 = 8,356.68 : x
  2. Step 2: Convert to fraction form
    19,464.48/29,155.14 = 8,356.68/x
  3. Step 3: Cross multiply
    19,464.48x = 29,155.14 × 8,356.68
  4. Step 4: Simplify right side
    19,464.48x = 243,640,175.34
  5. Step 5: Solve for x
    x = 243,640,175.34/19,464.48
  6. Step 6: Final answer
    x = 12,517.17

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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.