Home / 13,721.04-20,582.12-4,837.54

Finding the Fourth Proportional to 13,721.04, 20,582.12 and 4,837.54

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Solution

The fourth proportional to 13,721.04, 20,582.12 and 4,837.54 is: 7,256.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,721.04 : 20,582.12 = 4,837.54 : x
  2. Step 2: Convert to fraction form
    13,721.04/20,582.12 = 4,837.54/x
  3. Step 3: Cross multiply
    13,721.04x = 20,582.12 × 4,837.54
  4. Step 4: Simplify right side
    13,721.04x = 99,566,828.78
  5. Step 5: Solve for x
    x = 99,566,828.78/13,721.04
  6. Step 6: Final answer
    x = 7,256.51

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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.