Home / 22,442.46-30,941.79-18,394.38

Finding the Fourth Proportional to 22,442.46, 30,941.79 and 18,394.38

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Solution

The fourth proportional to 22,442.46, 30,941.79 and 18,394.38 is: 25,360.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,442.46 : 30,941.79 = 18,394.38 : x
  2. Step 2: Convert to fraction form
    22,442.46/30,941.79 = 18,394.38/x
  3. Step 3: Cross multiply
    22,442.46x = 30,941.79 × 18,394.38
  4. Step 4: Simplify right side
    22,442.46x = 569,155,043.14
  5. Step 5: Solve for x
    x = 569,155,043.14/22,442.46
  6. Step 6: Final answer
    x = 25,360.64

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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.