Home / 16,972.76-25,450.92-9,955.07

Finding the Fourth Proportional to 16,972.76, 25,450.92 and 9,955.07

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Solution

The fourth proportional to 16,972.76, 25,450.92 and 9,955.07 is: 14,927.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.76 : 25,450.92 = 9,955.07 : x
  2. Step 2: Convert to fraction form
    16,972.76/25,450.92 = 9,955.07/x
  3. Step 3: Cross multiply
    16,972.76x = 25,450.92 × 9,955.07
  4. Step 4: Simplify right side
    16,972.76x = 253,365,668.74
  5. Step 5: Solve for x
    x = 253,365,668.74/16,972.76
  6. Step 6: Final answer
    x = 14,927.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.