Home / 14,055.36-19,396.20-7,767.60

Finding the Fourth Proportional to 14,055.36, 19,396.20 and 7,767.60

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Solution

The fourth proportional to 14,055.36, 19,396.20 and 7,767.60 is: 10,719.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.36 : 19,396.20 = 7,767.60 : x
  2. Step 2: Convert to fraction form
    14,055.36/19,396.20 = 7,767.60/x
  3. Step 3: Cross multiply
    14,055.36x = 19,396.20 × 7,767.60
  4. Step 4: Simplify right side
    14,055.36x = 150,661,923.12
  5. Step 5: Solve for x
    x = 150,661,923.12/14,055.36
  6. Step 6: Final answer
    x = 10,719.18

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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.