Home / 19,193.60-26,441.78-18,307.82

Finding the Fourth Proportional to 19,193.60, 26,441.78 and 18,307.82

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Solution

The fourth proportional to 19,193.60, 26,441.78 and 18,307.82 is: 25,221.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.60 : 26,441.78 = 18,307.82 : x
  2. Step 2: Convert to fraction form
    19,193.60/26,441.78 = 18,307.82/x
  3. Step 3: Cross multiply
    19,193.60x = 26,441.78 × 18,307.82
  4. Step 4: Simplify right side
    19,193.60x = 484,091,348.72
  5. Step 5: Solve for x
    x = 484,091,348.72/19,193.60
  6. Step 6: Final answer
    x = 25,221.50

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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.