Home / 18,313.21-25,272.74-10,356.65

Finding the Fourth Proportional to 18,313.21, 25,272.74 and 10,356.65

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Solution

The fourth proportional to 18,313.21, 25,272.74 and 10,356.65 is: 14,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.21 : 25,272.74 = 10,356.65 : x
  2. Step 2: Convert to fraction form
    18,313.21/25,272.74 = 10,356.65/x
  3. Step 3: Cross multiply
    18,313.21x = 25,272.74 × 10,356.65
  4. Step 4: Simplify right side
    18,313.21x = 261,740,922.72
  5. Step 5: Solve for x
    x = 261,740,922.72/18,313.21
  6. Step 6: Final answer
    x = 14,292.47

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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.