Home / 27,111.92-37,415.12-15,175.16

Finding the Fourth Proportional to 27,111.92, 37,415.12 and 15,175.16

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Solution

The fourth proportional to 27,111.92, 37,415.12 and 15,175.16 is: 20,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,111.92 : 37,415.12 = 15,175.16 : x
  2. Step 2: Convert to fraction form
    27,111.92/37,415.12 = 15,175.16/x
  3. Step 3: Cross multiply
    27,111.92x = 37,415.12 × 15,175.16
  4. Step 4: Simplify right side
    27,111.92x = 567,780,432.42
  5. Step 5: Solve for x
    x = 567,780,432.42/27,111.92
  6. Step 6: Final answer
    x = 20,942.10

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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.