Home / 22,421.20-33,631.08-9,269.68

Finding the Fourth Proportional to 22,421.20, 33,631.08 and 9,269.68

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Solution

The fourth proportional to 22,421.20, 33,631.08 and 9,269.68 is: 13,904.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.20 : 33,631.08 = 9,269.68 : x
  2. Step 2: Convert to fraction form
    22,421.20/33,631.08 = 9,269.68/x
  3. Step 3: Cross multiply
    22,421.20x = 33,631.08 × 9,269.68
  4. Step 4: Simplify right side
    22,421.20x = 311,749,349.65
  5. Step 5: Solve for x
    x = 311,749,349.65/22,421.20
  6. Step 6: Final answer
    x = 13,904.22

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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.