Home / 19,236.51-28,851.12-6,753.60

Finding the Fourth Proportional to 19,236.51, 28,851.12 and 6,753.60

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Solution

The fourth proportional to 19,236.51, 28,851.12 and 6,753.60 is: 10,129.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.51 : 28,851.12 = 6,753.60 : x
  2. Step 2: Convert to fraction form
    19,236.51/28,851.12 = 6,753.60/x
  3. Step 3: Cross multiply
    19,236.51x = 28,851.12 × 6,753.60
  4. Step 4: Simplify right side
    19,236.51x = 194,849,013.04
  5. Step 5: Solve for x
    x = 194,849,013.04/19,236.51
  6. Step 6: Final answer
    x = 10,129.12

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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.