Home / 13,753.95-20,632.11-4,395.30

Finding the Fourth Proportional to 13,753.95, 20,632.11 and 4,395.30

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Solution

The fourth proportional to 13,753.95, 20,632.11 and 4,395.30 is: 6,593.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.95 : 20,632.11 = 4,395.30 : x
  2. Step 2: Convert to fraction form
    13,753.95/20,632.11 = 4,395.30/x
  3. Step 3: Cross multiply
    13,753.95x = 20,632.11 × 4,395.30
  4. Step 4: Simplify right side
    13,753.95x = 90,684,313.08
  5. Step 5: Solve for x
    x = 90,684,313.08/13,753.95
  6. Step 6: Final answer
    x = 6,593.33

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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.