Home / 19,421.64-26,797.84-11,353.73

Finding the Fourth Proportional to 19,421.64, 26,797.84 and 11,353.73

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Solution

The fourth proportional to 19,421.64, 26,797.84 and 11,353.73 is: 15,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421.64 : 26,797.84 = 11,353.73 : x
  2. Step 2: Convert to fraction form
    19,421.64/26,797.84 = 11,353.73/x
  3. Step 3: Cross multiply
    19,421.64x = 26,797.84 × 11,353.73
  4. Step 4: Simplify right side
    19,421.64x = 304,255,439.94
  5. Step 5: Solve for x
    x = 304,255,439.94/19,421.64
  6. Step 6: Final answer
    x = 15,665.80

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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.