Home / 14,801.88-20,417.22-11,257.32

Finding the Fourth Proportional to 14,801.88, 20,417.22 and 11,257.32

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Solution

The fourth proportional to 14,801.88, 20,417.22 and 11,257.32 is: 15,527.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.88 : 20,417.22 = 11,257.32 : x
  2. Step 2: Convert to fraction form
    14,801.88/20,417.22 = 11,257.32/x
  3. Step 3: Cross multiply
    14,801.88x = 20,417.22 × 11,257.32
  4. Step 4: Simplify right side
    14,801.88x = 229,843,179.05
  5. Step 5: Solve for x
    x = 229,843,179.05/14,801.88
  6. Step 6: Final answer
    x = 15,527.97

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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.