Home / 23,183.70-31,993.02-15,225.45

Finding the Fourth Proportional to 23,183.70, 31,993.02 and 15,225.45

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Solution

The fourth proportional to 23,183.70, 31,993.02 and 15,225.45 is: 21,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,183.70 : 31,993.02 = 15,225.45 : x
  2. Step 2: Convert to fraction form
    23,183.70/31,993.02 = 15,225.45/x
  3. Step 3: Cross multiply
    23,183.70x = 31,993.02 × 15,225.45
  4. Step 4: Simplify right side
    23,183.70x = 487,108,126.36
  5. Step 5: Solve for x
    x = 487,108,126.36/23,183.70
  6. Step 6: Final answer
    x = 21,010.80

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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.