Home / 13,942.52-19,242.04-7,975.06

Finding the Fourth Proportional to 13,942.52, 19,242.04 and 7,975.06

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Solution

The fourth proportional to 13,942.52, 19,242.04 and 7,975.06 is: 11,006.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.52 : 19,242.04 = 7,975.06 : x
  2. Step 2: Convert to fraction form
    13,942.52/19,242.04 = 7,975.06/x
  3. Step 3: Cross multiply
    13,942.52x = 19,242.04 × 7,975.06
  4. Step 4: Simplify right side
    13,942.52x = 153,456,423.52
  5. Step 5: Solve for x
    x = 153,456,423.52/13,942.52
  6. Step 6: Final answer
    x = 11,006.36

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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.