Home / 14,441.31-19,921.41-9,717.39

Finding the Fourth Proportional to 14,441.31, 19,921.41 and 9,717.39

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Solution

The fourth proportional to 14,441.31, 19,921.41 and 9,717.39 is: 13,404.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,441.31 : 19,921.41 = 9,717.39 : x
  2. Step 2: Convert to fraction form
    14,441.31/19,921.41 = 9,717.39/x
  3. Step 3: Cross multiply
    14,441.31x = 19,921.41 × 9,717.39
  4. Step 4: Simplify right side
    14,441.31x = 193,584,110.32
  5. Step 5: Solve for x
    x = 193,584,110.32/14,441.31
  6. Step 6: Final answer
    x = 13,404.89

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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.