Home / 21,414.08-32,124.55-7,370.66

Finding the Fourth Proportional to 21,414.08, 32,124.55 and 7,370.66

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Solution

The fourth proportional to 21,414.08, 32,124.55 and 7,370.66 is: 11,057.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,414.08 : 32,124.55 = 7,370.66 : x
  2. Step 2: Convert to fraction form
    21,414.08/32,124.55 = 7,370.66/x
  3. Step 3: Cross multiply
    21,414.08x = 32,124.55 × 7,370.66
  4. Step 4: Simplify right side
    21,414.08x = 236,778,956.65
  5. Step 5: Solve for x
    x = 236,778,956.65/21,414.08
  6. Step 6: Final answer
    x = 11,057.16

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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.