Home / 13,171.10-19,799.85-9,302.30

Finding the Fourth Proportional to 13,171.10, 19,799.85 and 9,302.30

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Solution

The fourth proportional to 13,171.10, 19,799.85 and 9,302.30 is: 13,983.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171.10 : 19,799.85 = 9,302.30 : x
  2. Step 2: Convert to fraction form
    13,171.10/19,799.85 = 9,302.30/x
  3. Step 3: Cross multiply
    13,171.10x = 19,799.85 × 9,302.30
  4. Step 4: Simplify right side
    13,171.10x = 184,184,144.66
  5. Step 5: Solve for x
    x = 184,184,144.66/13,171.10
  6. Step 6: Final answer
    x = 13,983.96

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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.