Home / 28,195.22-42,294.82-11,328.24

Finding the Fourth Proportional to 28,195.22, 42,294.82 and 11,328.24

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Solution

The fourth proportional to 28,195.22, 42,294.82 and 11,328.24 is: 16,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,195.22 : 42,294.82 = 11,328.24 : x
  2. Step 2: Convert to fraction form
    28,195.22/42,294.82 = 11,328.24/x
  3. Step 3: Cross multiply
    28,195.22x = 42,294.82 × 11,328.24
  4. Step 4: Simplify right side
    28,195.22x = 479,125,871.72
  5. Step 5: Solve for x
    x = 479,125,871.72/28,195.22
  6. Step 6: Final answer
    x = 16,993.16

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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.