Home / 18,832.30-25,987.69-10,334.21

Finding the Fourth Proportional to 18,832.30, 25,987.69 and 10,334.21

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Solution

The fourth proportional to 18,832.30, 25,987.69 and 10,334.21 is: 14,260.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832.30 : 25,987.69 = 10,334.21 : x
  2. Step 2: Convert to fraction form
    18,832.30/25,987.69 = 10,334.21/x
  3. Step 3: Cross multiply
    18,832.30x = 25,987.69 × 10,334.21
  4. Step 4: Simplify right side
    18,832.30x = 268,562,128.85
  5. Step 5: Solve for x
    x = 268,562,128.85/18,832.30
  6. Step 6: Final answer
    x = 14,260.72

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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.