Home / 13,655.40-20,483.08-3,794.68

Finding the Fourth Proportional to 13,655.40, 20,483.08 and 3,794.68

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Solution

The fourth proportional to 13,655.40, 20,483.08 and 3,794.68 is: 5,692.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.40 : 20,483.08 = 3,794.68 : x
  2. Step 2: Convert to fraction form
    13,655.40/20,483.08 = 3,794.68/x
  3. Step 3: Cross multiply
    13,655.40x = 20,483.08 × 3,794.68
  4. Step 4: Simplify right side
    13,655.40x = 77,726,734.01
  5. Step 5: Solve for x
    x = 77,726,734.01/13,655.40
  6. Step 6: Final answer
    x = 5,692.01

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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.