Home / 19,238.64-26,540.04-11,275.92

Finding the Fourth Proportional to 19,238.64, 26,540.04 and 11,275.92

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Solution

The fourth proportional to 19,238.64, 26,540.04 and 11,275.92 is: 15,555.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.64 : 26,540.04 = 11,275.92 : x
  2. Step 2: Convert to fraction form
    19,238.64/26,540.04 = 11,275.92/x
  3. Step 3: Cross multiply
    19,238.64x = 26,540.04 × 11,275.92
  4. Step 4: Simplify right side
    19,238.64x = 299,263,367.84
  5. Step 5: Solve for x
    x = 299,263,367.84/19,238.64
  6. Step 6: Final answer
    x = 15,555.33

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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.