Home / 22,070.40-33,105.96-5,430.48

Finding the Fourth Proportional to 22,070.40, 33,105.96 and 5,430.48

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Solution

The fourth proportional to 22,070.40, 33,105.96 and 5,430.48 is: 8,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,070.40 : 33,105.96 = 5,430.48 : x
  2. Step 2: Convert to fraction form
    22,070.40/33,105.96 = 5,430.48/x
  3. Step 3: Cross multiply
    22,070.40x = 33,105.96 × 5,430.48
  4. Step 4: Simplify right side
    22,070.40x = 179,781,253.66
  5. Step 5: Solve for x
    x = 179,781,253.66/22,070.40
  6. Step 6: Final answer
    x = 8,145.81

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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.