Home / 22,445.22-30,974.32-13,019.16

Finding the Fourth Proportional to 22,445.22, 30,974.32 and 13,019.16

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Solution

The fourth proportional to 22,445.22, 30,974.32 and 13,019.16 is: 17,966.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,445.22 : 30,974.32 = 13,019.16 : x
  2. Step 2: Convert to fraction form
    22,445.22/30,974.32 = 13,019.16/x
  3. Step 3: Cross multiply
    22,445.22x = 30,974.32 × 13,019.16
  4. Step 4: Simplify right side
    22,445.22x = 403,259,627.97
  5. Step 5: Solve for x
    x = 403,259,627.97/22,445.22
  6. Step 6: Final answer
    x = 17,966.39

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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.