Home / 13,371.60-18,461.21-8,593.68

Finding the Fourth Proportional to 13,371.60, 18,461.21 and 8,593.68

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Solution

The fourth proportional to 13,371.60, 18,461.21 and 8,593.68 is: 11,864.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.60 : 18,461.21 = 8,593.68 : x
  2. Step 2: Convert to fraction form
    13,371.60/18,461.21 = 8,593.68/x
  3. Step 3: Cross multiply
    13,371.60x = 18,461.21 × 8,593.68
  4. Step 4: Simplify right side
    13,371.60x = 158,649,731.15
  5. Step 5: Solve for x
    x = 158,649,731.15/13,371.60
  6. Step 6: Final answer
    x = 11,864.68

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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.