Home / 16,743.70-25,079.10-10,158.40

Finding the Fourth Proportional to 16,743.70, 25,079.10 and 10,158.40

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Solution

The fourth proportional to 16,743.70, 25,079.10 and 10,158.40 is: 15,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,743.70 : 25,079.10 = 10,158.40 : x
  2. Step 2: Convert to fraction form
    16,743.70/25,079.10 = 10,158.40/x
  3. Step 3: Cross multiply
    16,743.70x = 25,079.10 × 10,158.40
  4. Step 4: Simplify right side
    16,743.70x = 254,763,529.44
  5. Step 5: Solve for x
    x = 254,763,529.44/16,743.70
  6. Step 6: Final answer
    x = 15,215.49

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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.