Home / 12,778.26-19,168.16-4,013.17

Finding the Fourth Proportional to 12,778.26, 19,168.16 and 4,013.17

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Solution

The fourth proportional to 12,778.26, 19,168.16 and 4,013.17 is: 6,020.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,778.26 : 19,168.16 = 4,013.17 : x
  2. Step 2: Convert to fraction form
    12,778.26/19,168.16 = 4,013.17/x
  3. Step 3: Cross multiply
    12,778.26x = 19,168.16 × 4,013.17
  4. Step 4: Simplify right side
    12,778.26x = 76,925,157.10
  5. Step 5: Solve for x
    x = 76,925,157.10/12,778.26
  6. Step 6: Final answer
    x = 6,020.00

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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.