Home / 14,055.94-19,396.65-7,768.18

Finding the Fourth Proportional to 14,055.94, 19,396.65 and 7,768.18

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Solution

The fourth proportional to 14,055.94, 19,396.65 and 7,768.18 is: 10,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.94 : 19,396.65 = 7,768.18 : x
  2. Step 2: Convert to fraction form
    14,055.94/19,396.65 = 7,768.18/x
  3. Step 3: Cross multiply
    14,055.94x = 19,396.65 × 7,768.18
  4. Step 4: Simplify right side
    14,055.94x = 150,676,668.60
  5. Step 5: Solve for x
    x = 150,676,668.60/14,055.94
  6. Step 6: Final answer
    x = 10,719.79

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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.