Home / 13,110.03-18,117.50-11,652.03

Finding the Fourth Proportional to 13,110.03, 18,117.50 and 11,652.03

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Solution

The fourth proportional to 13,110.03, 18,117.50 and 11,652.03 is: 16,102.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.03 : 18,117.50 = 11,652.03 : x
  2. Step 2: Convert to fraction form
    13,110.03/18,117.50 = 11,652.03/x
  3. Step 3: Cross multiply
    13,110.03x = 18,117.50 × 11,652.03
  4. Step 4: Simplify right side
    13,110.03x = 211,105,653.53
  5. Step 5: Solve for x
    x = 211,105,653.53/13,110.03
  6. Step 6: Final answer
    x = 16,102.61

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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.