Home / 13,901.04-19,183.60-7,613.28

Finding the Fourth Proportional to 13,901.04, 19,183.60 and 7,613.28

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Solution

The fourth proportional to 13,901.04, 19,183.60 and 7,613.28 is: 10,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.04 : 19,183.60 = 7,613.28 : x
  2. Step 2: Convert to fraction form
    13,901.04/19,183.60 = 7,613.28/x
  3. Step 3: Cross multiply
    13,901.04x = 19,183.60 × 7,613.28
  4. Step 4: Simplify right side
    13,901.04x = 146,050,118.21
  5. Step 5: Solve for x
    x = 146,050,118.21/13,901.04
  6. Step 6: Final answer
    x = 10,506.42

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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.