Home / 18,749.46-28,110.18-11,352.12

Finding the Fourth Proportional to 18,749.46, 28,110.18 and 11,352.12

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Solution

The fourth proportional to 18,749.46, 28,110.18 and 11,352.12 is: 17,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.46 : 28,110.18 = 11,352.12 : x
  2. Step 2: Convert to fraction form
    18,749.46/28,110.18 = 11,352.12/x
  3. Step 3: Cross multiply
    18,749.46x = 28,110.18 × 11,352.12
  4. Step 4: Simplify right side
    18,749.46x = 319,110,136.58
  5. Step 5: Solve for x
    x = 319,110,136.58/18,749.46
  6. Step 6: Final answer
    x = 17,019.70

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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.