Home / 17,315.48-25,958.64-6,921.56

Finding the Fourth Proportional to 17,315.48, 25,958.64 and 6,921.56

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Solution

The fourth proportional to 17,315.48, 25,958.64 and 6,921.56 is: 10,376.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,315.48 : 25,958.64 = 6,921.56 : x
  2. Step 2: Convert to fraction form
    17,315.48/25,958.64 = 6,921.56/x
  3. Step 3: Cross multiply
    17,315.48x = 25,958.64 × 6,921.56
  4. Step 4: Simplify right side
    17,315.48x = 179,674,284.28
  5. Step 5: Solve for x
    x = 179,674,284.28/17,315.48
  6. Step 6: Final answer
    x = 10,376.51

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1.5x scale

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.