Home / 18,417.69-27,622.62-5,266.53

Finding the Fourth Proportional to 18,417.69, 27,622.62 and 5,266.53

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Solution

The fourth proportional to 18,417.69, 27,622.62 and 5,266.53 is: 7,898.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,417.69 : 27,622.62 = 5,266.53 : x
  2. Step 2: Convert to fraction form
    18,417.69/27,622.62 = 5,266.53/x
  3. Step 3: Cross multiply
    18,417.69x = 27,622.62 × 5,266.53
  4. Step 4: Simplify right side
    18,417.69x = 145,475,356.91
  5. Step 5: Solve for x
    x = 145,475,356.91/18,417.69
  6. Step 6: Final answer
    x = 7,898.68

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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.