Home / 20,017.32-27,622.44-11,064.32

Finding the Fourth Proportional to 20,017.32, 27,622.44 and 11,064.32

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Solution

The fourth proportional to 20,017.32, 27,622.44 and 11,064.32 is: 15,267.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.32 : 27,622.44 = 11,064.32 : x
  2. Step 2: Convert to fraction form
    20,017.32/27,622.44 = 11,064.32/x
  3. Step 3: Cross multiply
    20,017.32x = 27,622.44 × 11,064.32
  4. Step 4: Simplify right side
    20,017.32x = 305,623,515.34
  5. Step 5: Solve for x
    x = 305,623,515.34/20,017.32
  6. Step 6: Final answer
    x = 15,267.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.