Home / 14,581.88-20,107.10-9,857.96

Finding the Fourth Proportional to 14,581.88, 20,107.10 and 9,857.96

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Solution

The fourth proportional to 14,581.88, 20,107.10 and 9,857.96 is: 13,593.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.88 : 20,107.10 = 9,857.96 : x
  2. Step 2: Convert to fraction form
    14,581.88/20,107.10 = 9,857.96/x
  3. Step 3: Cross multiply
    14,581.88x = 20,107.10 × 9,857.96
  4. Step 4: Simplify right side
    14,581.88x = 198,214,987.52
  5. Step 5: Solve for x
    x = 198,214,987.52/14,581.88
  6. Step 6: Final answer
    x = 13,593.24

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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.