Home / 19,378.73-26,742.69-10,995.23

Finding the Fourth Proportional to 19,378.73, 26,742.69 and 10,995.23

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Solution

The fourth proportional to 19,378.73, 26,742.69 and 10,995.23 is: 15,173.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378.73 : 26,742.69 = 10,995.23 : x
  2. Step 2: Convert to fraction form
    19,378.73/26,742.69 = 10,995.23/x
  3. Step 3: Cross multiply
    19,378.73x = 26,742.69 × 10,995.23
  4. Step 4: Simplify right side
    19,378.73x = 294,042,094.23
  5. Step 5: Solve for x
    x = 294,042,094.23/19,378.73
  6. Step 6: Final answer
    x = 15,173.44

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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.