Home / 13,624.10-18,776.76-10,081.16

Finding the Fourth Proportional to 13,624.10, 18,776.76 and 10,081.16

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Solution

The fourth proportional to 13,624.10, 18,776.76 and 10,081.16 is: 13,893.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.10 : 18,776.76 = 10,081.16 : x
  2. Step 2: Convert to fraction form
    13,624.10/18,776.76 = 10,081.16/x
  3. Step 3: Cross multiply
    13,624.10x = 18,776.76 × 10,081.16
  4. Step 4: Simplify right side
    13,624.10x = 189,291,517.27
  5. Step 5: Solve for x
    x = 189,291,517.27/13,624.10
  6. Step 6: Final answer
    x = 13,893.87

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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.