Home / 19,962.74-29,942.48-7,792.22

Finding the Fourth Proportional to 19,962.74, 29,942.48 and 7,792.22

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Solution

The fourth proportional to 19,962.74, 29,942.48 and 7,792.22 is: 11,687.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.74 : 29,942.48 = 7,792.22 : x
  2. Step 2: Convert to fraction form
    19,962.74/29,942.48 = 7,792.22/x
  3. Step 3: Cross multiply
    19,962.74x = 29,942.48 × 7,792.22
  4. Step 4: Simplify right side
    19,962.74x = 233,318,391.51
  5. Step 5: Solve for x
    x = 233,318,391.51/19,962.74
  6. Step 6: Final answer
    x = 11,687.69

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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.