Home / 22,317.68-30,792.20-15,946.20

Finding the Fourth Proportional to 22,317.68, 30,792.20 and 15,946.20

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Solution

The fourth proportional to 22,317.68, 30,792.20 and 15,946.20 is: 22,001.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,317.68 : 30,792.20 = 15,946.20 : x
  2. Step 2: Convert to fraction form
    22,317.68/30,792.20 = 15,946.20/x
  3. Step 3: Cross multiply
    22,317.68x = 30,792.20 × 15,946.20
  4. Step 4: Simplify right side
    22,317.68x = 491,018,579.64
  5. Step 5: Solve for x
    x = 491,018,579.64/22,317.68
  6. Step 6: Final answer
    x = 22,001.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.