Home / 19,792.96-29,684.88-5,749.79

Finding the Fourth Proportional to 19,792.96, 29,684.88 and 5,749.79

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Solution

The fourth proportional to 19,792.96, 29,684.88 and 5,749.79 is: 8,623.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.96 : 29,684.88 = 5,749.79 : x
  2. Step 2: Convert to fraction form
    19,792.96/29,684.88 = 5,749.79/x
  3. Step 3: Cross multiply
    19,792.96x = 29,684.88 × 5,749.79
  4. Step 4: Simplify right side
    19,792.96x = 170,681,677.75
  5. Step 5: Solve for x
    x = 170,681,677.75/19,792.96
  6. Step 6: Final answer
    x = 8,623.35

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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.