Home / 14,754.88-20,361.48-8,040.57

Finding the Fourth Proportional to 14,754.88, 20,361.48 and 8,040.57

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Solution

The fourth proportional to 14,754.88, 20,361.48 and 8,040.57 is: 11,095.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,754.88 : 20,361.48 = 8,040.57 : x
  2. Step 2: Convert to fraction form
    14,754.88/20,361.48 = 8,040.57/x
  3. Step 3: Cross multiply
    14,754.88x = 20,361.48 × 8,040.57
  4. Step 4: Simplify right side
    14,754.88x = 163,717,905.24
  5. Step 5: Solve for x
    x = 163,717,905.24/14,754.88
  6. Step 6: Final answer
    x = 11,095.85

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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.