Home / 13,386.01-20,082.20-4,621

Finding the Fourth Proportional to 13,386.01, 20,082.20 and 4,621

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Solution

The fourth proportional to 13,386.01, 20,082.20 and 4,621 is: 6,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386.01 : 20,082.20 = 4,621 : x
  2. Step 2: Convert to fraction form
    13,386.01/20,082.20 = 4,621/x
  3. Step 3: Cross multiply
    13,386.01x = 20,082.20 × 4,621
  4. Step 4: Simplify right side
    13,386.01x = 92,799,846.20
  5. Step 5: Solve for x
    x = 92,799,846.20/13,386.01
  6. Step 6: Final answer
    x = 6,932.60

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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.