Home / 13,901.18-19,183.62-7,613.68

Finding the Fourth Proportional to 13,901.18, 19,183.62 and 7,613.68

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Solution

The fourth proportional to 13,901.18, 19,183.62 and 7,613.68 is: 10,506.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.18 : 19,183.62 = 7,613.68 : x
  2. Step 2: Convert to fraction form
    13,901.18/19,183.62 = 7,613.68/x
  3. Step 3: Cross multiply
    13,901.18x = 19,183.62 × 7,613.68
  4. Step 4: Simplify right side
    13,901.18x = 146,057,943.92
  5. Step 5: Solve for x
    x = 146,057,943.92/13,901.18
  6. Step 6: Final answer
    x = 10,506.87

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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.