Home / 19,040.20-28,561.42-7,353.48

Finding the Fourth Proportional to 19,040.20, 28,561.42 and 7,353.48

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Solution

The fourth proportional to 19,040.20, 28,561.42 and 7,353.48 is: 11,030.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.20 : 28,561.42 = 7,353.48 : x
  2. Step 2: Convert to fraction form
    19,040.20/28,561.42 = 7,353.48/x
  3. Step 3: Cross multiply
    19,040.20x = 28,561.42 × 7,353.48
  4. Step 4: Simplify right side
    19,040.20x = 210,025,830.74
  5. Step 5: Solve for x
    x = 210,025,830.74/19,040.20
  6. Step 6: Final answer
    x = 11,030.65

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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.