Home / 14,056.62-19,399.34-7,770.20

Finding the Fourth Proportional to 14,056.62, 19,399.34 and 7,770.20

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Solution

The fourth proportional to 14,056.62, 19,399.34 and 7,770.20 is: 10,723.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,056.62 : 19,399.34 = 7,770.20 : x
  2. Step 2: Convert to fraction form
    14,056.62/19,399.34 = 7,770.20/x
  3. Step 3: Cross multiply
    14,056.62x = 19,399.34 × 7,770.20
  4. Step 4: Simplify right side
    14,056.62x = 150,736,751.67
  5. Step 5: Solve for x
    x = 150,736,751.67/14,056.62
  6. Step 6: Final answer
    x = 10,723.54

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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.