Home / 13,472.36-18,593.70-8,518.76

Finding the Fourth Proportional to 13,472.36, 18,593.70 and 8,518.76

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Solution

The fourth proportional to 13,472.36, 18,593.70 and 8,518.76 is: 11,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.36 : 18,593.70 = 8,518.76 : x
  2. Step 2: Convert to fraction form
    13,472.36/18,593.70 = 8,518.76/x
  3. Step 3: Cross multiply
    13,472.36x = 18,593.70 × 8,518.76
  4. Step 4: Simplify right side
    13,472.36x = 158,395,267.81
  5. Step 5: Solve for x
    x = 158,395,267.81/13,472.36
  6. Step 6: Final answer
    x = 11,757.05

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Double scale
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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.