Home / 19,639.92-29,459.54-4,849.14

Finding the Fourth Proportional to 19,639.92, 29,459.54 and 4,849.14

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Solution

The fourth proportional to 19,639.92, 29,459.54 and 4,849.14 is: 7,273.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,639.92 : 29,459.54 = 4,849.14 : x
  2. Step 2: Convert to fraction form
    19,639.92/29,459.54 = 4,849.14/x
  3. Step 3: Cross multiply
    19,639.92x = 29,459.54 × 4,849.14
  4. Step 4: Simplify right side
    19,639.92x = 142,853,433.80
  5. Step 5: Solve for x
    x = 142,853,433.80/19,639.92
  6. Step 6: Final answer
    x = 7,273.63

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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.