Home / 14,644.52-21,951.28-4,781.15

Finding the Fourth Proportional to 14,644.52, 21,951.28 and 4,781.15

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Solution

The fourth proportional to 14,644.52, 21,951.28 and 4,781.15 is: 7,166.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644.52 : 21,951.28 = 4,781.15 : x
  2. Step 2: Convert to fraction form
    14,644.52/21,951.28 = 4,781.15/x
  3. Step 3: Cross multiply
    14,644.52x = 21,951.28 × 4,781.15
  4. Step 4: Simplify right side
    14,644.52x = 104,952,362.37
  5. Step 5: Solve for x
    x = 104,952,362.37/14,644.52
  6. Step 6: Final answer
    x = 7,166.66

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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.