Home / 14,907.98-20,574.32-8,194.91

Finding the Fourth Proportional to 14,907.98, 20,574.32 and 8,194.91

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Solution

The fourth proportional to 14,907.98, 20,574.32 and 8,194.91 is: 11,309.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,907.98 : 20,574.32 = 8,194.91 : x
  2. Step 2: Convert to fraction form
    14,907.98/20,574.32 = 8,194.91/x
  3. Step 3: Cross multiply
    14,907.98x = 20,574.32 × 8,194.91
  4. Step 4: Simplify right side
    14,907.98x = 168,604,556.87
  5. Step 5: Solve for x
    x = 168,604,556.87/14,907.98
  6. Step 6: Final answer
    x = 11,309.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.