Home / 13,076.20-18,054.32-10,046.28

Finding the Fourth Proportional to 13,076.20, 18,054.32 and 10,046.28

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Solution

The fourth proportional to 13,076.20, 18,054.32 and 10,046.28 is: 13,870.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.20 : 18,054.32 = 10,046.28 : x
  2. Step 2: Convert to fraction form
    13,076.20/18,054.32 = 10,046.28/x
  3. Step 3: Cross multiply
    13,076.20x = 18,054.32 × 10,046.28
  4. Step 4: Simplify right side
    13,076.20x = 181,378,753.93
  5. Step 5: Solve for x
    x = 181,378,753.93/13,076.20
  6. Step 6: Final answer
    x = 13,870.91

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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.