Home / 14,305.23-19,740.69-7,932.09

Finding the Fourth Proportional to 14,305.23, 19,740.69 and 7,932.09

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Solution

The fourth proportional to 14,305.23, 19,740.69 and 7,932.09 is: 10,945.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.23 : 19,740.69 = 7,932.09 : x
  2. Step 2: Convert to fraction form
    14,305.23/19,740.69 = 7,932.09/x
  3. Step 3: Cross multiply
    14,305.23x = 19,740.69 × 7,932.09
  4. Step 4: Simplify right side
    14,305.23x = 156,584,929.74
  5. Step 5: Solve for x
    x = 156,584,929.74/14,305.23
  6. Step 6: Final answer
    x = 10,945.99

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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.