Home / 19,647.34-27,112.50-10,694.86

Finding the Fourth Proportional to 19,647.34, 27,112.50 and 10,694.86

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Solution

The fourth proportional to 19,647.34, 27,112.50 and 10,694.86 is: 14,758.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.34 : 27,112.50 = 10,694.86 : x
  2. Step 2: Convert to fraction form
    19,647.34/27,112.50 = 10,694.86/x
  3. Step 3: Cross multiply
    19,647.34x = 27,112.50 × 10,694.86
  4. Step 4: Simplify right side
    19,647.34x = 289,964,391.75
  5. Step 5: Solve for x
    x = 289,964,391.75/19,647.34
  6. Step 6: Final answer
    x = 14,758.46

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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.