Home / 14,296.36-19,728.50-7,922.68

Finding the Fourth Proportional to 14,296.36, 19,728.50 and 7,922.68

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Solution

The fourth proportional to 14,296.36, 19,728.50 and 7,922.68 is: 10,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,296.36 : 19,728.50 = 7,922.68 : x
  2. Step 2: Convert to fraction form
    14,296.36/19,728.50 = 7,922.68/x
  3. Step 3: Cross multiply
    14,296.36x = 19,728.50 × 7,922.68
  4. Step 4: Simplify right side
    14,296.36x = 156,302,592.38
  5. Step 5: Solve for x
    x = 156,302,592.38/14,296.36
  6. Step 6: Final answer
    x = 10,933.03

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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.