Home / 14,455.48-19,941.42-9,983.80

Finding the Fourth Proportional to 14,455.48, 19,941.42 and 9,983.80

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Solution

The fourth proportional to 14,455.48, 19,941.42 and 9,983.80 is: 13,772.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.48 : 19,941.42 = 9,983.80 : x
  2. Step 2: Convert to fraction form
    14,455.48/19,941.42 = 9,983.80/x
  3. Step 3: Cross multiply
    14,455.48x = 19,941.42 × 9,983.80
  4. Step 4: Simplify right side
    14,455.48x = 199,091,149.00
  5. Step 5: Solve for x
    x = 199,091,149.00/14,455.48
  6. Step 6: Final answer
    x = 13,772.71

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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.