Home / 21,418.47-32,132.49-10,334.46

Finding the Fourth Proportional to 21,418.47, 32,132.49 and 10,334.46

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Solution

The fourth proportional to 21,418.47, 32,132.49 and 10,334.46 is: 15,504.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,418.47 : 32,132.49 = 10,334.46 : x
  2. Step 2: Convert to fraction form
    21,418.47/32,132.49 = 10,334.46/x
  3. Step 3: Cross multiply
    21,418.47x = 32,132.49 × 10,334.46
  4. Step 4: Simplify right side
    21,418.47x = 332,071,932.61
  5. Step 5: Solve for x
    x = 332,071,932.61/21,418.47
  6. Step 6: Final answer
    x = 15,504.00

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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.