Home / 14,063.37-19,406.84-7,689.80

Finding the Fourth Proportional to 14,063.37, 19,406.84 and 7,689.80

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Solution

The fourth proportional to 14,063.37, 19,406.84 and 7,689.80 is: 10,611.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,063.37 : 19,406.84 = 7,689.80 : x
  2. Step 2: Convert to fraction form
    14,063.37/19,406.84 = 7,689.80/x
  3. Step 3: Cross multiply
    14,063.37x = 19,406.84 × 7,689.80
  4. Step 4: Simplify right side
    14,063.37x = 149,234,582.75
  5. Step 5: Solve for x
    x = 149,234,582.75/14,063.37
  6. Step 6: Final answer
    x = 10,611.58

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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.