Home / 13,942.10-19,239.43-7,568.55

Finding the Fourth Proportional to 13,942.10, 19,239.43 and 7,568.55

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Solution

The fourth proportional to 13,942.10, 19,239.43 and 7,568.55 is: 10,444.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.10 : 19,239.43 = 7,568.55 : x
  2. Step 2: Convert to fraction form
    13,942.10/19,239.43 = 7,568.55/x
  3. Step 3: Cross multiply
    13,942.10x = 19,239.43 × 7,568.55
  4. Step 4: Simplify right side
    13,942.10x = 145,614,587.93
  5. Step 5: Solve for x
    x = 145,614,587.93/13,942.10
  6. Step 6: Final answer
    x = 10,444.24

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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.