Home / 15,561.76-23,342.62-5,040.60

Finding the Fourth Proportional to 15,561.76, 23,342.62 and 5,040.60

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Solution

The fourth proportional to 15,561.76, 23,342.62 and 5,040.60 is: 7,560.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561.76 : 23,342.62 = 5,040.60 : x
  2. Step 2: Convert to fraction form
    15,561.76/23,342.62 = 5,040.60/x
  3. Step 3: Cross multiply
    15,561.76x = 23,342.62 × 5,040.60
  4. Step 4: Simplify right side
    15,561.76x = 117,660,810.37
  5. Step 5: Solve for x
    x = 117,660,810.37/15,561.76
  6. Step 6: Final answer
    x = 7,560.89

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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.