Home / 12,358.63-18,538.98-3,593.53

Finding the Fourth Proportional to 12,358.63, 18,538.98 and 3,593.53

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Solution

The fourth proportional to 12,358.63, 18,538.98 and 3,593.53 is: 5,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.63 : 18,538.98 = 3,593.53 : x
  2. Step 2: Convert to fraction form
    12,358.63/18,538.98 = 3,593.53/x
  3. Step 3: Cross multiply
    12,358.63x = 18,538.98 × 3,593.53
  4. Step 4: Simplify right side
    12,358.63x = 66,620,380.80
  5. Step 5: Solve for x
    x = 66,620,380.80/12,358.63
  6. Step 6: Final answer
    x = 5,390.60

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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.