Home / 18,288.46-25,237.74-10,222.26

Finding the Fourth Proportional to 18,288.46, 25,237.74 and 10,222.26

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Solution

The fourth proportional to 18,288.46, 25,237.74 and 10,222.26 is: 14,106.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.46 : 25,237.74 = 10,222.26 : x
  2. Step 2: Convert to fraction form
    18,288.46/25,237.74 = 10,222.26/x
  3. Step 3: Cross multiply
    18,288.46x = 25,237.74 × 10,222.26
  4. Step 4: Simplify right side
    18,288.46x = 257,986,740.09
  5. Step 5: Solve for x
    x = 257,986,740.09/18,288.46
  6. Step 6: Final answer
    x = 14,106.53

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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.