Home / 16,919.28-25,341.96-7,028.57

Finding the Fourth Proportional to 16,919.28, 25,341.96 and 7,028.57

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Solution

The fourth proportional to 16,919.28, 25,341.96 and 7,028.57 is: 10,527.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.28 : 25,341.96 = 7,028.57 : x
  2. Step 2: Convert to fraction form
    16,919.28/25,341.96 = 7,028.57/x
  3. Step 3: Cross multiply
    16,919.28x = 25,341.96 × 7,028.57
  4. Step 4: Simplify right side
    16,919.28x = 178,117,829.51
  5. Step 5: Solve for x
    x = 178,117,829.51/16,919.28
  6. Step 6: Final answer
    x = 10,527.51

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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.