Home / 13,025.66-19,532.66-7,763.18

Finding the Fourth Proportional to 13,025.66, 19,532.66 and 7,763.18

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Solution

The fourth proportional to 13,025.66, 19,532.66 and 7,763.18 is: 11,641.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025.66 : 19,532.66 = 7,763.18 : x
  2. Step 2: Convert to fraction form
    13,025.66/19,532.66 = 7,763.18/x
  3. Step 3: Cross multiply
    13,025.66x = 19,532.66 × 7,763.18
  4. Step 4: Simplify right side
    13,025.66x = 151,635,418.98
  5. Step 5: Solve for x
    x = 151,635,418.98/13,025.66
  6. Step 6: Final answer
    x = 11,641.29

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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.