Home / 22,316.51-33,451.40-7,520.31

Finding the Fourth Proportional to 22,316.51, 33,451.40 and 7,520.31

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Solution

The fourth proportional to 22,316.51, 33,451.40 and 7,520.31 is: 11,272.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,316.51 : 33,451.40 = 7,520.31 : x
  2. Step 2: Convert to fraction form
    22,316.51/33,451.40 = 7,520.31/x
  3. Step 3: Cross multiply
    22,316.51x = 33,451.40 × 7,520.31
  4. Step 4: Simplify right side
    22,316.51x = 251,564,860.33
  5. Step 5: Solve for x
    x = 251,564,860.33/22,316.51
  6. Step 6: Final answer
    x = 11,272.59

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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.