Home / 19,714.81-27,160.23-13,735.66

Finding the Fourth Proportional to 19,714.81, 27,160.23 and 13,735.66

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Solution

The fourth proportional to 19,714.81, 27,160.23 and 13,735.66 is: 18,923.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,714.81 : 27,160.23 = 13,735.66 : x
  2. Step 2: Convert to fraction form
    19,714.81/27,160.23 = 13,735.66/x
  3. Step 3: Cross multiply
    19,714.81x = 27,160.23 × 13,735.66
  4. Step 4: Simplify right side
    19,714.81x = 373,063,684.80
  5. Step 5: Solve for x
    x = 373,063,684.80/19,714.81
  6. Step 6: Final answer
    x = 18,923.02

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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.