Home / 20,199.95-30,307.22-7,054.26

Finding the Fourth Proportional to 20,199.95, 30,307.22 and 7,054.26

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Solution

The fourth proportional to 20,199.95, 30,307.22 and 7,054.26 is: 10,583.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.95 : 30,307.22 = 7,054.26 : x
  2. Step 2: Convert to fraction form
    20,199.95/30,307.22 = 7,054.26/x
  3. Step 3: Cross multiply
    20,199.95x = 30,307.22 × 7,054.26
  4. Step 4: Simplify right side
    20,199.95x = 213,794,974.49
  5. Step 5: Solve for x
    x = 213,794,974.49/20,199.95
  6. Step 6: Final answer
    x = 10,583.94

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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.