Home / 13,901.09-19,183.70-7,613.51

Finding the Fourth Proportional to 13,901.09, 19,183.70 and 7,613.51

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Solution

The fourth proportional to 13,901.09, 19,183.70 and 7,613.51 is: 10,506.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.09 : 19,183.70 = 7,613.51 : x
  2. Step 2: Convert to fraction form
    13,901.09/19,183.70 = 7,613.51/x
  3. Step 3: Cross multiply
    13,901.09x = 19,183.70 × 7,613.51
  4. Step 4: Simplify right side
    13,901.09x = 146,055,253.72
  5. Step 5: Solve for x
    x = 146,055,253.72/13,901.09
  6. Step 6: Final answer
    x = 10,506.75

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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.