Home / 25,887.61-35,736.93-19,516.78

Finding the Fourth Proportional to 25,887.61, 35,736.93 and 19,516.78

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Solution

The fourth proportional to 25,887.61, 35,736.93 and 19,516.78 is: 26,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,887.61 : 35,736.93 = 19,516.78 : x
  2. Step 2: Convert to fraction form
    25,887.61/35,736.93 = 19,516.78/x
  3. Step 3: Cross multiply
    25,887.61x = 35,736.93 × 19,516.78
  4. Step 4: Simplify right side
    25,887.61x = 697,469,711.34
  5. Step 5: Solve for x
    x = 697,469,711.34/25,887.61
  6. Step 6: Final answer
    x = 26,942.22

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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.