Home / 19,616.60-29,381.70-13,741.40

Finding the Fourth Proportional to 19,616.60, 29,381.70 and 13,741.40

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Solution

The fourth proportional to 19,616.60, 29,381.70 and 13,741.40 is: 20,581.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.60 : 29,381.70 = 13,741.40 : x
  2. Step 2: Convert to fraction form
    19,616.60/29,381.70 = 13,741.40/x
  3. Step 3: Cross multiply
    19,616.60x = 29,381.70 × 13,741.40
  4. Step 4: Simplify right side
    19,616.60x = 403,745,692.38
  5. Step 5: Solve for x
    x = 403,745,692.38/19,616.60
  6. Step 6: Final answer
    x = 20,581.84

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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.