Home / 18,048.32-27,083.41-7,660.07

Finding the Fourth Proportional to 18,048.32, 27,083.41 and 7,660.07

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Solution

The fourth proportional to 18,048.32, 27,083.41 and 7,660.07 is: 11,494.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048.32 : 27,083.41 = 7,660.07 : x
  2. Step 2: Convert to fraction form
    18,048.32/27,083.41 = 7,660.07/x
  3. Step 3: Cross multiply
    18,048.32x = 27,083.41 × 7,660.07
  4. Step 4: Simplify right side
    18,048.32x = 207,460,642.72
  5. Step 5: Solve for x
    x = 207,460,642.72/18,048.32
  6. Step 6: Final answer
    x = 11,494.74

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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.