Home / 13,079.15-18,035.98-11,196.96

Finding the Fourth Proportional to 13,079.15, 18,035.98 and 11,196.96

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Solution

The fourth proportional to 13,079.15, 18,035.98 and 11,196.96 is: 15,440.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.15 : 18,035.98 = 11,196.96 : x
  2. Step 2: Convert to fraction form
    13,079.15/18,035.98 = 11,196.96/x
  3. Step 3: Cross multiply
    13,079.15x = 18,035.98 × 11,196.96
  4. Step 4: Simplify right side
    13,079.15x = 201,948,146.62
  5. Step 5: Solve for x
    x = 201,948,146.62/13,079.15
  6. Step 6: Final answer
    x = 15,440.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.