Home / 19,047.36-28,551.18-7,960.44

Finding the Fourth Proportional to 19,047.36, 28,551.18 and 7,960.44

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Solution

The fourth proportional to 19,047.36, 28,551.18 and 7,960.44 is: 11,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047.36 : 28,551.18 = 7,960.44 : x
  2. Step 2: Convert to fraction form
    19,047.36/28,551.18 = 7,960.44/x
  3. Step 3: Cross multiply
    19,047.36x = 28,551.18 × 7,960.44
  4. Step 4: Simplify right side
    19,047.36x = 227,279,955.32
  5. Step 5: Solve for x
    x = 227,279,955.32/19,047.36
  6. Step 6: Final answer
    x = 11,932.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.