Home / 14,296.20-19,728.52-7,835.78

Finding the Fourth Proportional to 14,296.20, 19,728.52 and 7,835.78

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Solution

The fourth proportional to 14,296.20, 19,728.52 and 7,835.78 is: 10,813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,296.20 : 19,728.52 = 7,835.78 : x
  2. Step 2: Convert to fraction form
    14,296.20/19,728.52 = 7,835.78/x
  3. Step 3: Cross multiply
    14,296.20x = 19,728.52 × 7,835.78
  4. Step 4: Simplify right side
    14,296.20x = 154,588,224.21
  5. Step 5: Solve for x
    x = 154,588,224.21/14,296.20
  6. Step 6: Final answer
    x = 10,813.24

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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.