Home / 13,361.86-18,397.14-11,767.41

Finding the Fourth Proportional to 13,361.86, 18,397.14 and 11,767.41

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Solution

The fourth proportional to 13,361.86, 18,397.14 and 11,767.41 is: 16,201.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361.86 : 18,397.14 = 11,767.41 : x
  2. Step 2: Convert to fraction form
    13,361.86/18,397.14 = 11,767.41/x
  3. Step 3: Cross multiply
    13,361.86x = 18,397.14 × 11,767.41
  4. Step 4: Simplify right side
    13,361.86x = 216,486,597.22
  5. Step 5: Solve for x
    x = 216,486,597.22/13,361.86
  6. Step 6: Final answer
    x = 16,201.84

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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.