Home / 19,672.16-27,147.60-11,714.64

Finding the Fourth Proportional to 19,672.16, 27,147.60 and 11,714.64

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Solution

The fourth proportional to 19,672.16, 27,147.60 and 11,714.64 is: 16,166.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.16 : 27,147.60 = 11,714.64 : x
  2. Step 2: Convert to fraction form
    19,672.16/27,147.60 = 11,714.64/x
  3. Step 3: Cross multiply
    19,672.16x = 27,147.60 × 11,714.64
  4. Step 4: Simplify right side
    19,672.16x = 318,024,360.86
  5. Step 5: Solve for x
    x = 318,024,360.86/19,672.16
  6. Step 6: Final answer
    x = 16,166.21

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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.