Home / 18,970.82-26,179.57-10,472.94

Finding the Fourth Proportional to 18,970.82, 26,179.57 and 10,472.94

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Solution

The fourth proportional to 18,970.82, 26,179.57 and 10,472.94 is: 14,452.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,970.82 : 26,179.57 = 10,472.94 : x
  2. Step 2: Convert to fraction form
    18,970.82/26,179.57 = 10,472.94/x
  3. Step 3: Cross multiply
    18,970.82x = 26,179.57 × 10,472.94
  4. Step 4: Simplify right side
    18,970.82x = 274,177,065.84
  5. Step 5: Solve for x
    x = 274,177,065.84/18,970.82
  6. Step 6: Final answer
    x = 14,452.57

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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.