Home / 13,401.66-20,088.30-4,508.53

Finding the Fourth Proportional to 13,401.66, 20,088.30 and 4,508.53

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Solution

The fourth proportional to 13,401.66, 20,088.30 and 4,508.53 is: 6,758.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401.66 : 20,088.30 = 4,508.53 : x
  2. Step 2: Convert to fraction form
    13,401.66/20,088.30 = 4,508.53/x
  3. Step 3: Cross multiply
    13,401.66x = 20,088.30 × 4,508.53
  4. Step 4: Simplify right side
    13,401.66x = 90,568,669.89
  5. Step 5: Solve for x
    x = 90,568,669.89/13,401.66
  6. Step 6: Final answer
    x = 6,758.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.