Home / 19,228.07-28,851.83-7,541.39

Finding the Fourth Proportional to 19,228.07, 28,851.83 and 7,541.39

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Solution

The fourth proportional to 19,228.07, 28,851.83 and 7,541.39 is: 11,315.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,228.07 : 28,851.83 = 7,541.39 : x
  2. Step 2: Convert to fraction form
    19,228.07/28,851.83 = 7,541.39/x
  3. Step 3: Cross multiply
    19,228.07x = 28,851.83 × 7,541.39
  4. Step 4: Simplify right side
    19,228.07x = 217,582,720.28
  5. Step 5: Solve for x
    x = 217,582,720.28/19,228.07
  6. Step 6: Final answer
    x = 11,315.89

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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.