Home / 14,389.26-19,857.55-8,101.86

Finding the Fourth Proportional to 14,389.26, 19,857.55 and 8,101.86

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Solution

The fourth proportional to 14,389.26, 19,857.55 and 8,101.86 is: 11,180.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.26 : 19,857.55 = 8,101.86 : x
  2. Step 2: Convert to fraction form
    14,389.26/19,857.55 = 8,101.86/x
  3. Step 3: Cross multiply
    14,389.26x = 19,857.55 × 8,101.86
  4. Step 4: Simplify right side
    14,389.26x = 160,883,090.04
  5. Step 5: Solve for x
    x = 160,883,090.04/14,389.26
  6. Step 6: Final answer
    x = 11,180.78

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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.