Home / 28,184.56-42,235.12-11,524.48

Finding the Fourth Proportional to 28,184.56, 42,235.12 and 11,524.48

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Solution

The fourth proportional to 28,184.56, 42,235.12 and 11,524.48 is: 17,269.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184.56 : 42,235.12 = 11,524.48 : x
  2. Step 2: Convert to fraction form
    28,184.56/42,235.12 = 11,524.48/x
  3. Step 3: Cross multiply
    28,184.56x = 42,235.12 × 11,524.48
  4. Step 4: Simplify right side
    28,184.56x = 486,737,795.74
  5. Step 5: Solve for x
    x = 486,737,795.74/28,184.56
  6. Step 6: Final answer
    x = 17,269.66

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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.