Home / 13,124.46-19,669.68-5,329.02

Finding the Fourth Proportional to 13,124.46, 19,669.68 and 5,329.02

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Solution

The fourth proportional to 13,124.46, 19,669.68 and 5,329.02 is: 7,986.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.46 : 19,669.68 = 5,329.02 : x
  2. Step 2: Convert to fraction form
    13,124.46/19,669.68 = 5,329.02/x
  3. Step 3: Cross multiply
    13,124.46x = 19,669.68 × 5,329.02
  4. Step 4: Simplify right side
    13,124.46x = 104,820,118.11
  5. Step 5: Solve for x
    x = 104,820,118.11/13,124.46
  6. Step 6: Final answer
    x = 7,986.62

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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.