Home / 21,167.44-29,211.28-11,736.16

Finding the Fourth Proportional to 21,167.44, 29,211.28 and 11,736.16

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Solution

The fourth proportional to 21,167.44, 29,211.28 and 11,736.16 is: 16,196.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167.44 : 29,211.28 = 11,736.16 : x
  2. Step 2: Convert to fraction form
    21,167.44/29,211.28 = 11,736.16/x
  3. Step 3: Cross multiply
    21,167.44x = 29,211.28 × 11,736.16
  4. Step 4: Simplify right side
    21,167.44x = 342,828,255.88
  5. Step 5: Solve for x
    x = 342,828,255.88/21,167.44
  6. Step 6: Final answer
    x = 16,196.02

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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.