Home / 22,240.36-33,360.54-13,477.78

Finding the Fourth Proportional to 22,240.36, 33,360.54 and 13,477.78

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Solution

The fourth proportional to 22,240.36, 33,360.54 and 13,477.78 is: 20,216.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,240.36 : 33,360.54 = 13,477.78 : x
  2. Step 2: Convert to fraction form
    22,240.36/33,360.54 = 13,477.78/x
  3. Step 3: Cross multiply
    22,240.36x = 33,360.54 × 13,477.78
  4. Step 4: Simplify right side
    22,240.36x = 449,626,018.80
  5. Step 5: Solve for x
    x = 449,626,018.80/22,240.36
  6. Step 6: Final answer
    x = 20,216.67

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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.