Home / 19,127.94-28,638.72-14,433.78

Finding the Fourth Proportional to 19,127.94, 28,638.72 and 14,433.78

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Solution

The fourth proportional to 19,127.94, 28,638.72 and 14,433.78 is: 21,610.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.94 : 28,638.72 = 14,433.78 : x
  2. Step 2: Convert to fraction form
    19,127.94/28,638.72 = 14,433.78/x
  3. Step 3: Cross multiply
    19,127.94x = 28,638.72 × 14,433.78
  4. Step 4: Simplify right side
    19,127.94x = 413,364,983.96
  5. Step 5: Solve for x
    x = 413,364,983.96/19,127.94
  6. Step 6: Final answer
    x = 21,610.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.