Home / 19,087.48-28,634.46-7,242.31

Finding the Fourth Proportional to 19,087.48, 28,634.46 and 7,242.31

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Solution

The fourth proportional to 19,087.48, 28,634.46 and 7,242.31 is: 10,864.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,087.48 : 28,634.46 = 7,242.31 : x
  2. Step 2: Convert to fraction form
    19,087.48/28,634.46 = 7,242.31/x
  3. Step 3: Cross multiply
    19,087.48x = 28,634.46 × 7,242.31
  4. Step 4: Simplify right side
    19,087.48x = 207,379,636.00
  5. Step 5: Solve for x
    x = 207,379,636.00/19,087.48
  6. Step 6: Final answer
    x = 10,864.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.