Home / 13,172.03-19,759.12-4,407.02

Finding the Fourth Proportional to 13,172.03, 19,759.12 and 4,407.02

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Solution

The fourth proportional to 13,172.03, 19,759.12 and 4,407.02 is: 6,610.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172.03 : 19,759.12 = 4,407.02 : x
  2. Step 2: Convert to fraction form
    13,172.03/19,759.12 = 4,407.02/x
  3. Step 3: Cross multiply
    13,172.03x = 19,759.12 × 4,407.02
  4. Step 4: Simplify right side
    13,172.03x = 87,078,727.21
  5. Step 5: Solve for x
    x = 87,078,727.21/13,172.03
  6. Step 6: Final answer
    x = 6,610.88

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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.