Home / 19,119.36-26,384.88-10,736.64

Finding the Fourth Proportional to 19,119.36, 26,384.88 and 10,736.64

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Solution

The fourth proportional to 19,119.36, 26,384.88 and 10,736.64 is: 14,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.36 : 26,384.88 = 10,736.64 : x
  2. Step 2: Convert to fraction form
    19,119.36/26,384.88 = 10,736.64/x
  3. Step 3: Cross multiply
    19,119.36x = 26,384.88 × 10,736.64
  4. Step 4: Simplify right side
    19,119.36x = 283,284,958.00
  5. Step 5: Solve for x
    x = 283,284,958.00/19,119.36
  6. Step 6: Final answer
    x = 14,816.65

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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.