Home / 19,922.85-29,902.75-10,069.07

Finding the Fourth Proportional to 19,922.85, 29,902.75 and 10,069.07

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Solution

The fourth proportional to 19,922.85, 29,902.75 and 10,069.07 is: 15,112.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.85 : 29,902.75 = 10,069.07 : x
  2. Step 2: Convert to fraction form
    19,922.85/29,902.75 = 10,069.07/x
  3. Step 3: Cross multiply
    19,922.85x = 29,902.75 × 10,069.07
  4. Step 4: Simplify right side
    19,922.85x = 301,092,708.26
  5. Step 5: Solve for x
    x = 301,092,708.26/19,922.85
  6. Step 6: Final answer
    x = 15,112.93

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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.