Home / 25,708.24-38,568.30-10,917.64

Finding the Fourth Proportional to 25,708.24, 38,568.30 and 10,917.64

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Solution

The fourth proportional to 25,708.24, 38,568.30 and 10,917.64 is: 16,378.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,708.24 : 38,568.30 = 10,917.64 : x
  2. Step 2: Convert to fraction form
    25,708.24/38,568.30 = 10,917.64/x
  3. Step 3: Cross multiply
    25,708.24x = 38,568.30 × 10,917.64
  4. Step 4: Simplify right side
    25,708.24x = 421,074,814.81
  5. Step 5: Solve for x
    x = 421,074,814.81/25,708.24
  6. Step 6: Final answer
    x = 16,378.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.