Home / 19,627.52-29,441.30-7,940.84

Finding the Fourth Proportional to 19,627.52, 29,441.30 and 7,940.84

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Solution

The fourth proportional to 19,627.52, 29,441.30 and 7,940.84 is: 11,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,627.52 : 29,441.30 = 7,940.84 : x
  2. Step 2: Convert to fraction form
    19,627.52/29,441.30 = 7,940.84/x
  3. Step 3: Cross multiply
    19,627.52x = 29,441.30 × 7,940.84
  4. Step 4: Simplify right side
    19,627.52x = 233,788,652.69
  5. Step 5: Solve for x
    x = 233,788,652.69/19,627.52
  6. Step 6: Final answer
    x = 11,911.27

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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.