Home / 13,475.94-18,596.84-7,811.80

Finding the Fourth Proportional to 13,475.94, 18,596.84 and 7,811.80

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Solution

The fourth proportional to 13,475.94, 18,596.84 and 7,811.80 is: 10,780.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.94 : 18,596.84 = 7,811.80 : x
  2. Step 2: Convert to fraction form
    13,475.94/18,596.84 = 7,811.80/x
  3. Step 3: Cross multiply
    13,475.94x = 18,596.84 × 7,811.80
  4. Step 4: Simplify right side
    13,475.94x = 145,274,794.71
  5. Step 5: Solve for x
    x = 145,274,794.71/13,475.94
  6. Step 6: Final answer
    x = 10,780.31

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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.