Home / 13,569.49-20,349.91-5,671.99

Finding the Fourth Proportional to 13,569.49, 20,349.91 and 5,671.99

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Solution

The fourth proportional to 13,569.49, 20,349.91 and 5,671.99 is: 8,506.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.49 : 20,349.91 = 5,671.99 : x
  2. Step 2: Convert to fraction form
    13,569.49/20,349.91 = 5,671.99/x
  3. Step 3: Cross multiply
    13,569.49x = 20,349.91 × 5,671.99
  4. Step 4: Simplify right side
    13,569.49x = 115,424,486.02
  5. Step 5: Solve for x
    x = 115,424,486.02/13,569.49
  6. Step 6: Final answer
    x = 8,506.18

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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.