Home / 13,801.31-20,638.38-10,250.14

Finding the Fourth Proportional to 13,801.31, 20,638.38 and 10,250.14

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Solution

The fourth proportional to 13,801.31, 20,638.38 and 10,250.14 is: 15,327.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.31 : 20,638.38 = 10,250.14 : x
  2. Step 2: Convert to fraction form
    13,801.31/20,638.38 = 10,250.14/x
  3. Step 3: Cross multiply
    13,801.31x = 20,638.38 × 10,250.14
  4. Step 4: Simplify right side
    13,801.31x = 211,546,284.37
  5. Step 5: Solve for x
    x = 211,546,284.37/13,801.31
  6. Step 6: Final answer
    x = 15,327.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.