Home / 22,421.62-33,636.54-9,275.02

Finding the Fourth Proportional to 22,421.62, 33,636.54 and 9,275.02

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Solution

The fourth proportional to 22,421.62, 33,636.54 and 9,275.02 is: 13,914.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.62 : 33,636.54 = 9,275.02 : x
  2. Step 2: Convert to fraction form
    22,421.62/33,636.54 = 9,275.02/x
  3. Step 3: Cross multiply
    22,421.62x = 33,636.54 × 9,275.02
  4. Step 4: Simplify right side
    22,421.62x = 311,979,581.23
  5. Step 5: Solve for x
    x = 311,979,581.23/22,421.62
  6. Step 6: Final answer
    x = 13,914.23

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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.