Home / 19,744.05-29,627.79-7,272.84

Finding the Fourth Proportional to 19,744.05, 29,627.79 and 7,272.84

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Solution

The fourth proportional to 19,744.05, 29,627.79 and 7,272.84 is: 10,913.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,744.05 : 29,627.79 = 7,272.84 : x
  2. Step 2: Convert to fraction form
    19,744.05/29,627.79 = 7,272.84/x
  3. Step 3: Cross multiply
    19,744.05x = 29,627.79 × 7,272.84
  4. Step 4: Simplify right side
    19,744.05x = 215,478,176.22
  5. Step 5: Solve for x
    x = 215,478,176.22/19,744.05
  6. Step 6: Final answer
    x = 10,913.58

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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.