Home / 14,511.15-21,766.70-9,579.61

Finding the Fourth Proportional to 14,511.15, 21,766.70 and 9,579.61

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Solution

The fourth proportional to 14,511.15, 21,766.70 and 9,579.61 is: 14,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.15 : 21,766.70 = 9,579.61 : x
  2. Step 2: Convert to fraction form
    14,511.15/21,766.70 = 9,579.61/x
  3. Step 3: Cross multiply
    14,511.15x = 21,766.70 × 9,579.61
  4. Step 4: Simplify right side
    14,511.15x = 208,516,548.14
  5. Step 5: Solve for x
    x = 208,516,548.14/14,511.15
  6. Step 6: Final answer
    x = 14,369.40

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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.