Home / 18,391.02-25,379.37-10,837.67

Finding the Fourth Proportional to 18,391.02, 25,379.37 and 10,837.67

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Solution

The fourth proportional to 18,391.02, 25,379.37 and 10,837.67 is: 14,955.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,391.02 : 25,379.37 = 10,837.67 : x
  2. Step 2: Convert to fraction form
    18,391.02/25,379.37 = 10,837.67/x
  3. Step 3: Cross multiply
    18,391.02x = 25,379.37 × 10,837.67
  4. Step 4: Simplify right side
    18,391.02x = 275,053,236.87
  5. Step 5: Solve for x
    x = 275,053,236.87/18,391.02
  6. Step 6: Final answer
    x = 14,955.84

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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.