Home / 19,880.29-29,813.12-5,836.71

Finding the Fourth Proportional to 19,880.29, 29,813.12 and 5,836.71

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Solution

The fourth proportional to 19,880.29, 29,813.12 and 5,836.71 is: 8,752.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,880.29 : 29,813.12 = 5,836.71 : x
  2. Step 2: Convert to fraction form
    19,880.29/29,813.12 = 5,836.71/x
  3. Step 3: Cross multiply
    19,880.29x = 29,813.12 × 5,836.71
  4. Step 4: Simplify right side
    19,880.29x = 174,010,535.64
  5. Step 5: Solve for x
    x = 174,010,535.64/19,880.29
  6. Step 6: Final answer
    x = 8,752.92

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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.