Home / 16,847.70-25,271.55-5,160.90

Finding the Fourth Proportional to 16,847.70, 25,271.55 and 5,160.90

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Solution

The fourth proportional to 16,847.70, 25,271.55 and 5,160.90 is: 7,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,847.70 : 25,271.55 = 5,160.90 : x
  2. Step 2: Convert to fraction form
    16,847.70/25,271.55 = 5,160.90/x
  3. Step 3: Cross multiply
    16,847.70x = 25,271.55 × 5,160.90
  4. Step 4: Simplify right side
    16,847.70x = 130,423,942.40
  5. Step 5: Solve for x
    x = 130,423,942.40/16,847.70
  6. Step 6: Final answer
    x = 7,741.35

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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.