Home / 18,749.21-25,873.63-10,251.36

Finding the Fourth Proportional to 18,749.21, 25,873.63 and 10,251.36

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Solution

The fourth proportional to 18,749.21, 25,873.63 and 10,251.36 is: 14,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.21 : 25,873.63 = 10,251.36 : x
  2. Step 2: Convert to fraction form
    18,749.21/25,873.63 = 10,251.36/x
  3. Step 3: Cross multiply
    18,749.21x = 25,873.63 × 10,251.36
  4. Step 4: Simplify right side
    18,749.21x = 265,239,870.01
  5. Step 5: Solve for x
    x = 265,239,870.01/18,749.21
  6. Step 6: Final answer
    x = 14,146.73

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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.