Home / 14,716.31-20,308.14-8,001.80

Finding the Fourth Proportional to 14,716.31, 20,308.14 and 8,001.80

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Solution

The fourth proportional to 14,716.31, 20,308.14 and 8,001.80 is: 11,042.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,716.31 : 20,308.14 = 8,001.80 : x
  2. Step 2: Convert to fraction form
    14,716.31/20,308.14 = 8,001.80/x
  3. Step 3: Cross multiply
    14,716.31x = 20,308.14 × 8,001.80
  4. Step 4: Simplify right side
    14,716.31x = 162,501,573.11
  5. Step 5: Solve for x
    x = 162,501,573.11/14,716.31
  6. Step 6: Final answer
    x = 11,042.28

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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.