Home / 15,090.39-22,605.35-7,200.54

Finding the Fourth Proportional to 15,090.39, 22,605.35 and 7,200.54

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Solution

The fourth proportional to 15,090.39, 22,605.35 and 7,200.54 is: 10,786.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090.39 : 22,605.35 = 7,200.54 : x
  2. Step 2: Convert to fraction form
    15,090.39/22,605.35 = 7,200.54/x
  3. Step 3: Cross multiply
    15,090.39x = 22,605.35 × 7,200.54
  4. Step 4: Simplify right side
    15,090.39x = 162,770,690.89
  5. Step 5: Solve for x
    x = 162,770,690.89/15,090.39
  6. Step 6: Final answer
    x = 10,786.38

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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.