Home / 16,647.53-22,973.56-9,942.21

Finding the Fourth Proportional to 16,647.53, 22,973.56 and 9,942.21

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Solution

The fourth proportional to 16,647.53, 22,973.56 and 9,942.21 is: 13,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,647.53 : 22,973.56 = 9,942.21 : x
  2. Step 2: Convert to fraction form
    16,647.53/22,973.56 = 9,942.21/x
  3. Step 3: Cross multiply
    16,647.53x = 22,973.56 × 9,942.21
  4. Step 4: Simplify right side
    16,647.53x = 228,407,933.11
  5. Step 5: Solve for x
    x = 228,407,933.11/16,647.53
  6. Step 6: Final answer
    x = 13,720.23

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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.