Home / 14,055.32-19,396.08-7,767.56

Finding the Fourth Proportional to 14,055.32, 19,396.08 and 7,767.56

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Solution

The fourth proportional to 14,055.32, 19,396.08 and 7,767.56 is: 10,719.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.32 : 19,396.08 = 7,767.56 : x
  2. Step 2: Convert to fraction form
    14,055.32/19,396.08 = 7,767.56/x
  3. Step 3: Cross multiply
    14,055.32x = 19,396.08 × 7,767.56
  4. Step 4: Simplify right side
    14,055.32x = 150,660,215.16
  5. Step 5: Solve for x
    x = 150,660,215.16/14,055.32
  6. Step 6: Final answer
    x = 10,719.09

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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.