Home / 13,024.78-19,536.90-3,164.11

Finding the Fourth Proportional to 13,024.78, 19,536.90 and 3,164.11

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Solution

The fourth proportional to 13,024.78, 19,536.90 and 3,164.11 is: 4,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,024.78 : 19,536.90 = 3,164.11 : x
  2. Step 2: Convert to fraction form
    13,024.78/19,536.90 = 3,164.11/x
  3. Step 3: Cross multiply
    13,024.78x = 19,536.90 × 3,164.11
  4. Step 4: Simplify right side
    13,024.78x = 61,816,839.95
  5. Step 5: Solve for x
    x = 61,816,839.95/13,024.78
  6. Step 6: Final answer
    x = 4,746.10

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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.