Home / 22,281.87-33,403.37-11,172.99

Finding the Fourth Proportional to 22,281.87, 33,403.37 and 11,172.99

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Solution

The fourth proportional to 22,281.87, 33,403.37 and 11,172.99 is: 16,749.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,281.87 : 33,403.37 = 11,172.99 : x
  2. Step 2: Convert to fraction form
    22,281.87/33,403.37 = 11,172.99/x
  3. Step 3: Cross multiply
    22,281.87x = 33,403.37 × 11,172.99
  4. Step 4: Simplify right side
    22,281.87x = 373,215,463.11
  5. Step 5: Solve for x
    x = 373,215,463.11/22,281.87
  6. Step 6: Final answer
    x = 16,749.74

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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.