Home / 13,968.40-20,948.09-4,606.24

Finding the Fourth Proportional to 13,968.40, 20,948.09 and 4,606.24

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Solution

The fourth proportional to 13,968.40, 20,948.09 and 4,606.24 is: 6,907.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.40 : 20,948.09 = 4,606.24 : x
  2. Step 2: Convert to fraction form
    13,968.40/20,948.09 = 4,606.24/x
  3. Step 3: Cross multiply
    13,968.40x = 20,948.09 × 4,606.24
  4. Step 4: Simplify right side
    13,968.40x = 96,491,930.08
  5. Step 5: Solve for x
    x = 96,491,930.08/13,968.40
  6. Step 6: Final answer
    x = 6,907.87

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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.