Home / 16,720.46-25,119.86-15,774.72

Finding the Fourth Proportional to 16,720.46, 25,119.86 and 15,774.72

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Solution

The fourth proportional to 16,720.46, 25,119.86 and 15,774.72 is: 23,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.46 : 25,119.86 = 15,774.72 : x
  2. Step 2: Convert to fraction form
    16,720.46/25,119.86 = 15,774.72/x
  3. Step 3: Cross multiply
    16,720.46x = 25,119.86 × 15,774.72
  4. Step 4: Simplify right side
    16,720.46x = 396,258,757.94
  5. Step 5: Solve for x
    x = 396,258,757.94/16,720.46
  6. Step 6: Final answer
    x = 23,699.03

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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.