Home / 19,126.83-26,380.98-11,168.58

Finding the Fourth Proportional to 19,126.83, 26,380.98 and 11,168.58

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Solution

The fourth proportional to 19,126.83, 26,380.98 and 11,168.58 is: 15,404.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.83 : 26,380.98 = 11,168.58 : x
  2. Step 2: Convert to fraction form
    19,126.83/26,380.98 = 11,168.58/x
  3. Step 3: Cross multiply
    19,126.83x = 26,380.98 × 11,168.58
  4. Step 4: Simplify right side
    19,126.83x = 294,638,085.61
  5. Step 5: Solve for x
    x = 294,638,085.61/19,126.83
  6. Step 6: Final answer
    x = 15,404.44

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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.