Home / 13,825.38-19,079.10-7,537.62

Finding the Fourth Proportional to 13,825.38, 19,079.10 and 7,537.62

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Solution

The fourth proportional to 13,825.38, 19,079.10 and 7,537.62 is: 10,401.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.38 : 19,079.10 = 7,537.62 : x
  2. Step 2: Convert to fraction form
    13,825.38/19,079.10 = 7,537.62/x
  3. Step 3: Cross multiply
    13,825.38x = 19,079.10 × 7,537.62
  4. Step 4: Simplify right side
    13,825.38x = 143,811,005.74
  5. Step 5: Solve for x
    x = 143,811,005.74/13,825.38
  6. Step 6: Final answer
    x = 10,401.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.