Home / 21,838.14-32,762.73-9,351.90

Finding the Fourth Proportional to 21,838.14, 32,762.73 and 9,351.90

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Solution

The fourth proportional to 21,838.14, 32,762.73 and 9,351.90 is: 14,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,838.14 : 32,762.73 = 9,351.90 : x
  2. Step 2: Convert to fraction form
    21,838.14/32,762.73 = 9,351.90/x
  3. Step 3: Cross multiply
    21,838.14x = 32,762.73 × 9,351.90
  4. Step 4: Simplify right side
    21,838.14x = 306,393,774.69
  5. Step 5: Solve for x
    x = 306,393,774.69/21,838.14
  6. Step 6: Final answer
    x = 14,030.21

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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.