Home / 18,723.88-25,840.52-10,768.67

Finding the Fourth Proportional to 18,723.88, 25,840.52 and 10,768.67

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Solution

The fourth proportional to 18,723.88, 25,840.52 and 10,768.67 is: 14,861.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.88 : 25,840.52 = 10,768.67 : x
  2. Step 2: Convert to fraction form
    18,723.88/25,840.52 = 10,768.67/x
  3. Step 3: Cross multiply
    18,723.88x = 25,840.52 × 10,768.67
  4. Step 4: Simplify right side
    18,723.88x = 278,268,032.51
  5. Step 5: Solve for x
    x = 278,268,032.51/18,723.88
  6. Step 6: Final answer
    x = 14,861.67

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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.