Home / 13,341.08-18,412.11-7,676.07

Finding the Fourth Proportional to 13,341.08, 18,412.11 and 7,676.07

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Solution

The fourth proportional to 13,341.08, 18,412.11 and 7,676.07 is: 10,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.08 : 18,412.11 = 7,676.07 : x
  2. Step 2: Convert to fraction form
    13,341.08/18,412.11 = 7,676.07/x
  3. Step 3: Cross multiply
    13,341.08x = 18,412.11 × 7,676.07
  4. Step 4: Simplify right side
    13,341.08x = 141,332,645.21
  5. Step 5: Solve for x
    x = 141,332,645.21/13,341.08
  6. Step 6: Final answer
    x = 10,593.80

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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.