Home / 19,040.52-28,566.81-9,180.48

Finding the Fourth Proportional to 19,040.52, 28,566.81 and 9,180.48

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Solution

The fourth proportional to 19,040.52, 28,566.81 and 9,180.48 is: 13,773.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.52 : 28,566.81 = 9,180.48 : x
  2. Step 2: Convert to fraction form
    19,040.52/28,566.81 = 9,180.48/x
  3. Step 3: Cross multiply
    19,040.52x = 28,566.81 × 9,180.48
  4. Step 4: Simplify right side
    19,040.52x = 262,257,027.87
  5. Step 5: Solve for x
    x = 262,257,027.87/19,040.52
  6. Step 6: Final answer
    x = 13,773.63

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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.