Home / 13,996.32-20,988.16-4,132.16

Finding the Fourth Proportional to 13,996.32, 20,988.16 and 4,132.16

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Solution

The fourth proportional to 13,996.32, 20,988.16 and 4,132.16 is: 6,196.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.32 : 20,988.16 = 4,132.16 : x
  2. Step 2: Convert to fraction form
    13,996.32/20,988.16 = 4,132.16/x
  3. Step 3: Cross multiply
    13,996.32x = 20,988.16 × 4,132.16
  4. Step 4: Simplify right side
    13,996.32x = 86,726,435.23
  5. Step 5: Solve for x
    x = 86,726,435.23/13,996.32
  6. Step 6: Final answer
    x = 6,196.37

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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.