Home / 19,283.34-26,611.11-11,221.77

Finding the Fourth Proportional to 19,283.34, 26,611.11 and 11,221.77

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Solution

The fourth proportional to 19,283.34, 26,611.11 and 11,221.77 is: 15,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283.34 : 26,611.11 = 11,221.77 : x
  2. Step 2: Convert to fraction form
    19,283.34/26,611.11 = 11,221.77/x
  3. Step 3: Cross multiply
    19,283.34x = 26,611.11 × 11,221.77
  4. Step 4: Simplify right side
    19,283.34x = 298,623,755.86
  5. Step 5: Solve for x
    x = 298,623,755.86/19,283.34
  6. Step 6: Final answer
    x = 15,486.10

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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.