Home / 14,208.92-19,607.90-8,906.66

Finding the Fourth Proportional to 14,208.92, 19,607.90 and 8,906.66

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Solution

The fourth proportional to 14,208.92, 19,607.90 and 8,906.66 is: 12,290.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.92 : 19,607.90 = 8,906.66 : x
  2. Step 2: Convert to fraction form
    14,208.92/19,607.90 = 8,906.66/x
  3. Step 3: Cross multiply
    14,208.92x = 19,607.90 × 8,906.66
  4. Step 4: Simplify right side
    14,208.92x = 174,640,898.61
  5. Step 5: Solve for x
    x = 174,640,898.61/14,208.92
  6. Step 6: Final answer
    x = 12,290.93

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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.