Home / 14,757.98-20,364.36-8,384.12

Finding the Fourth Proportional to 14,757.98, 20,364.36 and 8,384.12

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Solution

The fourth proportional to 14,757.98, 20,364.36 and 8,384.12 is: 11,569.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,757.98 : 20,364.36 = 8,384.12 : x
  2. Step 2: Convert to fraction form
    14,757.98/20,364.36 = 8,384.12/x
  3. Step 3: Cross multiply
    14,757.98x = 20,364.36 × 8,384.12
  4. Step 4: Simplify right side
    14,757.98x = 170,737,237.96
  5. Step 5: Solve for x
    x = 170,737,237.96/14,757.98
  6. Step 6: Final answer
    x = 11,569.15

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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.