Home / 12,358.48-18,538.26-3,593.20

Finding the Fourth Proportional to 12,358.48, 18,538.26 and 3,593.20

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Solution

The fourth proportional to 12,358.48, 18,538.26 and 3,593.20 is: 5,389.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.48 : 18,538.26 = 3,593.20 : x
  2. Step 2: Convert to fraction form
    12,358.48/18,538.26 = 3,593.20/x
  3. Step 3: Cross multiply
    12,358.48x = 18,538.26 × 3,593.20
  4. Step 4: Simplify right side
    12,358.48x = 66,611,675.83
  5. Step 5: Solve for x
    x = 66,611,675.83/12,358.48
  6. Step 6: Final answer
    x = 5,389.96

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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.