Home / 21,538.02-32,343.94-11,696.52

Finding the Fourth Proportional to 21,538.02, 32,343.94 and 11,696.52

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Solution

The fourth proportional to 21,538.02, 32,343.94 and 11,696.52 is: 17,564.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,538.02 : 32,343.94 = 11,696.52 : x
  2. Step 2: Convert to fraction form
    21,538.02/32,343.94 = 11,696.52/x
  3. Step 3: Cross multiply
    21,538.02x = 32,343.94 × 11,696.52
  4. Step 4: Simplify right side
    21,538.02x = 378,311,482.61
  5. Step 5: Solve for x
    x = 378,311,482.61/21,538.02
  6. Step 6: Final answer
    x = 17,564.82

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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.