Home / 13,511.02-18,645.04-7,544.16

Finding the Fourth Proportional to 13,511.02, 18,645.04 and 7,544.16

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Solution

The fourth proportional to 13,511.02, 18,645.04 and 7,544.16 is: 10,410.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,511.02 : 18,645.04 = 7,544.16 : x
  2. Step 2: Convert to fraction form
    13,511.02/18,645.04 = 7,544.16/x
  3. Step 3: Cross multiply
    13,511.02x = 18,645.04 × 7,544.16
  4. Step 4: Simplify right side
    13,511.02x = 140,661,164.97
  5. Step 5: Solve for x
    x = 140,661,164.97/13,511.02
  6. Step 6: Final answer
    x = 10,410.85

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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.