Home / 21,351.07-32,041.17-7,500.07

Finding the Fourth Proportional to 21,351.07, 32,041.17 and 7,500.07

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Solution

The fourth proportional to 21,351.07, 32,041.17 and 7,500.07 is: 11,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351.07 : 32,041.17 = 7,500.07 : x
  2. Step 2: Convert to fraction form
    21,351.07/32,041.17 = 7,500.07/x
  3. Step 3: Cross multiply
    21,351.07x = 32,041.17 × 7,500.07
  4. Step 4: Simplify right side
    21,351.07x = 240,311,017.88
  5. Step 5: Solve for x
    x = 240,311,017.88/21,351.07
  6. Step 6: Final answer
    x = 11,255.22

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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.