Home / 14,260.34-19,678.89-7,799.73

Finding the Fourth Proportional to 14,260.34, 19,678.89 and 7,799.73

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Solution

The fourth proportional to 14,260.34, 19,678.89 and 7,799.73 is: 10,763.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.34 : 19,678.89 = 7,799.73 : x
  2. Step 2: Convert to fraction form
    14,260.34/19,678.89 = 7,799.73/x
  3. Step 3: Cross multiply
    14,260.34x = 19,678.89 × 7,799.73
  4. Step 4: Simplify right side
    14,260.34x = 153,490,028.70
  5. Step 5: Solve for x
    x = 153,490,028.70/14,260.34
  6. Step 6: Final answer
    x = 10,763.42

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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.