Home / 14,755.07-20,361.47-8,040.56

Finding the Fourth Proportional to 14,755.07, 20,361.47 and 8,040.56

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Solution

The fourth proportional to 14,755.07, 20,361.47 and 8,040.56 is: 11,095.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,755.07 : 20,361.47 = 8,040.56 : x
  2. Step 2: Convert to fraction form
    14,755.07/20,361.47 = 8,040.56/x
  3. Step 3: Cross multiply
    14,755.07x = 20,361.47 × 8,040.56
  4. Step 4: Simplify right side
    14,755.07x = 163,717,539.52
  5. Step 5: Solve for x
    x = 163,717,539.52/14,755.07
  6. Step 6: Final answer
    x = 11,095.68

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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.