Home / 17,212.96-23,731.52-11,152.40

Finding the Fourth Proportional to 17,212.96, 23,731.52 and 11,152.40

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Solution

The fourth proportional to 17,212.96, 23,731.52 and 11,152.40 is: 15,375.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212.96 : 23,731.52 = 11,152.40 : x
  2. Step 2: Convert to fraction form
    17,212.96/23,731.52 = 11,152.40/x
  3. Step 3: Cross multiply
    17,212.96x = 23,731.52 × 11,152.40
  4. Step 4: Simplify right side
    17,212.96x = 264,663,403.65
  5. Step 5: Solve for x
    x = 264,663,403.65/17,212.96
  6. Step 6: Final answer
    x = 15,375.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.