Home / 13,964.80-19,270.74-7,677.04

Finding the Fourth Proportional to 13,964.80, 19,270.74 and 7,677.04

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Solution

The fourth proportional to 13,964.80, 19,270.74 and 7,677.04 is: 10,593.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.80 : 19,270.74 = 7,677.04 : x
  2. Step 2: Convert to fraction form
    13,964.80/19,270.74 = 7,677.04/x
  3. Step 3: Cross multiply
    13,964.80x = 19,270.74 × 7,677.04
  4. Step 4: Simplify right side
    13,964.80x = 147,942,241.81
  5. Step 5: Solve for x
    x = 147,942,241.81/13,964.80
  6. Step 6: Final answer
    x = 10,593.94

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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.