Home / 13,076.51-18,033.18-10,087.61

Finding the Fourth Proportional to 13,076.51, 18,033.18 and 10,087.61

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Solution

The fourth proportional to 13,076.51, 18,033.18 and 10,087.61 is: 13,911.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.51 : 18,033.18 = 10,087.61 : x
  2. Step 2: Convert to fraction form
    13,076.51/18,033.18 = 10,087.61/x
  3. Step 3: Cross multiply
    13,076.51x = 18,033.18 × 10,087.61
  4. Step 4: Simplify right side
    13,076.51x = 181,911,686.90
  5. Step 5: Solve for x
    x = 181,911,686.90/13,076.51
  6. Step 6: Final answer
    x = 13,911.33

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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.