Home / 22,421.13-33,631.76-6,838.75

Finding the Fourth Proportional to 22,421.13, 33,631.76 and 6,838.75

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Solution

The fourth proportional to 22,421.13, 33,631.76 and 6,838.75 is: 10,258.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.13 : 33,631.76 = 6,838.75 : x
  2. Step 2: Convert to fraction form
    22,421.13/33,631.76 = 6,838.75/x
  3. Step 3: Cross multiply
    22,421.13x = 33,631.76 × 6,838.75
  4. Step 4: Simplify right side
    22,421.13x = 229,999,198.70
  5. Step 5: Solve for x
    x = 229,999,198.70/22,421.13
  6. Step 6: Final answer
    x = 10,258.14

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1.5x scale

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.