Home / 13,901.28-19,183.14-7,613.52

Finding the Fourth Proportional to 13,901.28, 19,183.14 and 7,613.52

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Solution

The fourth proportional to 13,901.28, 19,183.14 and 7,613.52 is: 10,506.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.28 : 19,183.14 = 7,613.52 : x
  2. Step 2: Convert to fraction form
    13,901.28/19,183.14 = 7,613.52/x
  3. Step 3: Cross multiply
    13,901.28x = 19,183.14 × 7,613.52
  4. Step 4: Simplify right side
    13,901.28x = 146,051,220.05
  5. Step 5: Solve for x
    x = 146,051,220.05/13,901.28
  6. Step 6: Final answer
    x = 10,506.31

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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.