Home / 15,641.22-21,585.78-9,268.26

Finding the Fourth Proportional to 15,641.22, 21,585.78 and 9,268.26

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Solution

The fourth proportional to 15,641.22, 21,585.78 and 9,268.26 is: 12,790.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,641.22 : 21,585.78 = 9,268.26 : x
  2. Step 2: Convert to fraction form
    15,641.22/21,585.78 = 9,268.26/x
  3. Step 3: Cross multiply
    15,641.22x = 21,585.78 × 9,268.26
  4. Step 4: Simplify right side
    15,641.22x = 200,062,621.34
  5. Step 5: Solve for x
    x = 200,062,621.34/15,641.22
  6. Step 6: Final answer
    x = 12,790.73

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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.