Home / 15,054.96-20,772.27-9,084.36

Finding the Fourth Proportional to 15,054.96, 20,772.27 and 9,084.36

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Solution

The fourth proportional to 15,054.96, 20,772.27 and 9,084.36 is: 12,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,054.96 : 20,772.27 = 9,084.36 : x
  2. Step 2: Convert to fraction form
    15,054.96/20,772.27 = 9,084.36/x
  3. Step 3: Cross multiply
    15,054.96x = 20,772.27 × 9,084.36
  4. Step 4: Simplify right side
    15,054.96x = 188,702,778.70
  5. Step 5: Solve for x
    x = 188,702,778.70/15,054.96
  6. Step 6: Final answer
    x = 12,534.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.