Home / 13,655.38-20,483.08-3,794.74

Finding the Fourth Proportional to 13,655.38, 20,483.08 and 3,794.74

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Solution

The fourth proportional to 13,655.38, 20,483.08 and 3,794.74 is: 5,692.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.38 : 20,483.08 = 3,794.74 : x
  2. Step 2: Convert to fraction form
    13,655.38/20,483.08 = 3,794.74/x
  3. Step 3: Cross multiply
    13,655.38x = 20,483.08 × 3,794.74
  4. Step 4: Simplify right side
    13,655.38x = 77,727,963.00
  5. Step 5: Solve for x
    x = 77,727,963.00/13,655.38
  6. Step 6: Final answer
    x = 5,692.11

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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.