Home / 22,280.40-33,430.20-11,336.40

Finding the Fourth Proportional to 22,280.40, 33,430.20 and 11,336.40

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Solution

The fourth proportional to 22,280.40, 33,430.20 and 11,336.40 is: 17,009.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,280.40 : 33,430.20 = 11,336.40 : x
  2. Step 2: Convert to fraction form
    22,280.40/33,430.20 = 11,336.40/x
  3. Step 3: Cross multiply
    22,280.40x = 33,430.20 × 11,336.40
  4. Step 4: Simplify right side
    22,280.40x = 378,978,119.28
  5. Step 5: Solve for x
    x = 378,978,119.28/22,280.40
  6. Step 6: Final answer
    x = 17,009.48

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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.