Home / 21,836.61-32,731.56-11,296.02

Finding the Fourth Proportional to 21,836.61, 32,731.56 and 11,296.02

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Solution

The fourth proportional to 21,836.61, 32,731.56 and 11,296.02 is: 16,931.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,836.61 : 32,731.56 = 11,296.02 : x
  2. Step 2: Convert to fraction form
    21,836.61/32,731.56 = 11,296.02/x
  3. Step 3: Cross multiply
    21,836.61x = 32,731.56 × 11,296.02
  4. Step 4: Simplify right side
    21,836.61x = 369,736,356.39
  5. Step 5: Solve for x
    x = 369,736,356.39/21,836.61
  6. Step 6: Final answer
    x = 16,931.95

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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.