Home / 19,262.88-26,540.52-12,964.32

Finding the Fourth Proportional to 19,262.88, 26,540.52 and 12,964.32

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Solution

The fourth proportional to 19,262.88, 26,540.52 and 12,964.32 is: 17,862.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,262.88 : 26,540.52 = 12,964.32 : x
  2. Step 2: Convert to fraction form
    19,262.88/26,540.52 = 12,964.32/x
  3. Step 3: Cross multiply
    19,262.88x = 26,540.52 × 12,964.32
  4. Step 4: Simplify right side
    19,262.88x = 344,079,794.25
  5. Step 5: Solve for x
    x = 344,079,794.25/19,262.88
  6. Step 6: Final answer
    x = 17,862.32

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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.