Home / 22,101.21-33,153.48-7,320.60

Finding the Fourth Proportional to 22,101.21, 33,153.48 and 7,320.60

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Solution

The fourth proportional to 22,101.21, 33,153.48 and 7,320.60 is: 10,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,101.21 : 33,153.48 = 7,320.60 : x
  2. Step 2: Convert to fraction form
    22,101.21/33,153.48 = 7,320.60/x
  3. Step 3: Cross multiply
    22,101.21x = 33,153.48 × 7,320.60
  4. Step 4: Simplify right side
    22,101.21x = 242,703,365.69
  5. Step 5: Solve for x
    x = 242,703,365.69/22,101.21
  6. Step 6: Final answer
    x = 10,981.45

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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.