Home / 13,304.56-18,361.50-7,999.24

Finding the Fourth Proportional to 13,304.56, 18,361.50 and 7,999.24

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Solution

The fourth proportional to 13,304.56, 18,361.50 and 7,999.24 is: 11,039.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.56 : 18,361.50 = 7,999.24 : x
  2. Step 2: Convert to fraction form
    13,304.56/18,361.50 = 7,999.24/x
  3. Step 3: Cross multiply
    13,304.56x = 18,361.50 × 7,999.24
  4. Step 4: Simplify right side
    13,304.56x = 146,878,045.26
  5. Step 5: Solve for x
    x = 146,878,045.26/13,304.56
  6. Step 6: Final answer
    x = 11,039.68

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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.