Home / 22,536.12-31,080.90-16,884.12

Finding the Fourth Proportional to 22,536.12, 31,080.90 and 16,884.12

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Solution

The fourth proportional to 22,536.12, 31,080.90 and 16,884.12 is: 23,285.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,536.12 : 31,080.90 = 16,884.12 : x
  2. Step 2: Convert to fraction form
    22,536.12/31,080.90 = 16,884.12/x
  3. Step 3: Cross multiply
    22,536.12x = 31,080.90 × 16,884.12
  4. Step 4: Simplify right side
    22,536.12x = 524,773,645.31
  5. Step 5: Solve for x
    x = 524,773,645.31/22,536.12
  6. Step 6: Final answer
    x = 23,285.89

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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.