Home / 13,041.12-17,995.38-8,005.54

Finding the Fourth Proportional to 13,041.12, 17,995.38 and 8,005.54

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Solution

The fourth proportional to 13,041.12, 17,995.38 and 8,005.54 is: 11,046.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.12 : 17,995.38 = 8,005.54 : x
  2. Step 2: Convert to fraction form
    13,041.12/17,995.38 = 8,005.54/x
  3. Step 3: Cross multiply
    13,041.12x = 17,995.38 × 8,005.54
  4. Step 4: Simplify right side
    13,041.12x = 144,062,734.41
  5. Step 5: Solve for x
    x = 144,062,734.41/13,041.12
  6. Step 6: Final answer
    x = 11,046.81

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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.