Home / 16,220.48-22,361.28-11,503.04

Finding the Fourth Proportional to 16,220.48, 22,361.28 and 11,503.04

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Solution

The fourth proportional to 16,220.48, 22,361.28 and 11,503.04 is: 15,857.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,220.48 : 22,361.28 = 11,503.04 : x
  2. Step 2: Convert to fraction form
    16,220.48/22,361.28 = 11,503.04/x
  3. Step 3: Cross multiply
    16,220.48x = 22,361.28 × 11,503.04
  4. Step 4: Simplify right side
    16,220.48x = 257,222,698.29
  5. Step 5: Solve for x
    x = 257,222,698.29/16,220.48
  6. Step 6: Final answer
    x = 15,857.90

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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.