Home / 16,990.53-23,430.57-10,183.49

Finding the Fourth Proportional to 16,990.53, 23,430.57 and 10,183.49

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Solution

The fourth proportional to 16,990.53, 23,430.57 and 10,183.49 is: 14,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.53 : 23,430.57 = 10,183.49 : x
  2. Step 2: Convert to fraction form
    16,990.53/23,430.57 = 10,183.49/x
  3. Step 3: Cross multiply
    16,990.53x = 23,430.57 × 10,183.49
  4. Step 4: Simplify right side
    16,990.53x = 238,604,858.14
  5. Step 5: Solve for x
    x = 238,604,858.14/16,990.53
  6. Step 6: Final answer
    x = 14,043.40

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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.