Home / 13,330.67-18,395.45-7,361.97

Finding the Fourth Proportional to 13,330.67, 18,395.45 and 7,361.97

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Solution

The fourth proportional to 13,330.67, 18,395.45 and 7,361.97 is: 10,159.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.67 : 18,395.45 = 7,361.97 : x
  2. Step 2: Convert to fraction form
    13,330.67/18,395.45 = 7,361.97/x
  3. Step 3: Cross multiply
    13,330.67x = 18,395.45 × 7,361.97
  4. Step 4: Simplify right side
    13,330.67x = 135,426,714.23
  5. Step 5: Solve for x
    x = 135,426,714.23/13,330.67
  6. Step 6: Final answer
    x = 10,159.04

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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.