Home / 22,390.03-33,572.88-11,120.64

Finding the Fourth Proportional to 22,390.03, 33,572.88 and 11,120.64

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Solution

The fourth proportional to 22,390.03, 33,572.88 and 11,120.64 is: 16,674.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,390.03 : 33,572.88 = 11,120.64 : x
  2. Step 2: Convert to fraction form
    22,390.03/33,572.88 = 11,120.64/x
  3. Step 3: Cross multiply
    22,390.03x = 33,572.88 × 11,120.64
  4. Step 4: Simplify right side
    22,390.03x = 373,352,079.84
  5. Step 5: Solve for x
    x = 373,352,079.84/22,390.03
  6. Step 6: Final answer
    x = 16,674.93

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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.