Home / 22,199.36-33,289.28-11,808.64

Finding the Fourth Proportional to 22,199.36, 33,289.28 and 11,808.64

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Solution

The fourth proportional to 22,199.36, 33,289.28 and 11,808.64 is: 17,707.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,199.36 : 33,289.28 = 11,808.64 : x
  2. Step 2: Convert to fraction form
    22,199.36/33,289.28 = 11,808.64/x
  3. Step 3: Cross multiply
    22,199.36x = 33,289.28 × 11,808.64
  4. Step 4: Simplify right side
    22,199.36x = 393,101,123.38
  5. Step 5: Solve for x
    x = 393,101,123.38/22,199.36
  6. Step 6: Final answer
    x = 17,707.77

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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.