Home / 28,199.18-42,304.11-11,333.50

Finding the Fourth Proportional to 28,199.18, 42,304.11 and 11,333.50

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Solution

The fourth proportional to 28,199.18, 42,304.11 and 11,333.50 is: 17,002.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,199.18 : 42,304.11 = 11,333.50 : x
  2. Step 2: Convert to fraction form
    28,199.18/42,304.11 = 11,333.50/x
  3. Step 3: Cross multiply
    28,199.18x = 42,304.11 × 11,333.50
  4. Step 4: Simplify right side
    28,199.18x = 479,453,524.92
  5. Step 5: Solve for x
    x = 479,453,524.92/28,199.18
  6. Step 6: Final answer
    x = 17,002.39

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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.