Home / 13,361.22-18,439.29-8,056.26

Finding the Fourth Proportional to 13,361.22, 18,439.29 and 8,056.26

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Solution

The fourth proportional to 13,361.22, 18,439.29 and 8,056.26 is: 11,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361.22 : 18,439.29 = 8,056.26 : x
  2. Step 2: Convert to fraction form
    13,361.22/18,439.29 = 8,056.26/x
  3. Step 3: Cross multiply
    13,361.22x = 18,439.29 × 8,056.26
  4. Step 4: Simplify right side
    13,361.22x = 148,551,714.46
  5. Step 5: Solve for x
    x = 148,551,714.46/13,361.22
  6. Step 6: Final answer
    x = 11,118.13

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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.