Home / 19,903.80-27,464.94-13,625.40

Finding the Fourth Proportional to 19,903.80, 27,464.94 and 13,625.40

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Solution

The fourth proportional to 19,903.80, 27,464.94 and 13,625.40 is: 18,801.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903.80 : 27,464.94 = 13,625.40 : x
  2. Step 2: Convert to fraction form
    19,903.80/27,464.94 = 13,625.40/x
  3. Step 3: Cross multiply
    19,903.80x = 27,464.94 × 13,625.40
  4. Step 4: Simplify right side
    19,903.80x = 374,220,793.48
  5. Step 5: Solve for x
    x = 374,220,793.48/19,903.80
  6. Step 6: Final answer
    x = 18,801.47

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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.