Home / 22,515.23-33,778.29-7,720.22

Finding the Fourth Proportional to 22,515.23, 33,778.29 and 7,720.22

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Solution

The fourth proportional to 22,515.23, 33,778.29 and 7,720.22 is: 11,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,515.23 : 33,778.29 = 7,720.22 : x
  2. Step 2: Convert to fraction form
    22,515.23/33,778.29 = 7,720.22/x
  3. Step 3: Cross multiply
    22,515.23x = 33,778.29 × 7,720.22
  4. Step 4: Simplify right side
    22,515.23x = 260,775,830.02
  5. Step 5: Solve for x
    x = 260,775,830.02/22,515.23
  6. Step 6: Final answer
    x = 11,582.20

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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.