Home / 18,261.41-27,338.74-16,510.45

Finding the Fourth Proportional to 18,261.41, 27,338.74 and 16,510.45

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Solution

The fourth proportional to 18,261.41, 27,338.74 and 16,510.45 is: 24,717.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.41 : 27,338.74 = 16,510.45 : x
  2. Step 2: Convert to fraction form
    18,261.41/27,338.74 = 16,510.45/x
  3. Step 3: Cross multiply
    18,261.41x = 27,338.74 × 16,510.45
  4. Step 4: Simplify right side
    18,261.41x = 451,374,790.21
  5. Step 5: Solve for x
    x = 451,374,790.21/18,261.41
  6. Step 6: Final answer
    x = 24,717.41

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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.