Home / 19,351.64-26,697.56-12,635.12

Finding the Fourth Proportional to 19,351.64, 26,697.56 and 12,635.12

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Solution

The fourth proportional to 19,351.64, 26,697.56 and 12,635.12 is: 17,431.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.64 : 26,697.56 = 12,635.12 : x
  2. Step 2: Convert to fraction form
    19,351.64/26,697.56 = 12,635.12/x
  3. Step 3: Cross multiply
    19,351.64x = 26,697.56 × 12,635.12
  4. Step 4: Simplify right side
    19,351.64x = 337,326,874.31
  5. Step 5: Solve for x
    x = 337,326,874.31/19,351.64
  6. Step 6: Final answer
    x = 17,431.44

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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.