Home / 19,847.08-27,391.48-11,461.96

Finding the Fourth Proportional to 19,847.08, 27,391.48 and 11,461.96

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Solution

The fourth proportional to 19,847.08, 27,391.48 and 11,461.96 is: 15,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,847.08 : 27,391.48 = 11,461.96 : x
  2. Step 2: Convert to fraction form
    19,847.08/27,391.48 = 11,461.96/x
  3. Step 3: Cross multiply
    19,847.08x = 27,391.48 × 11,461.96
  4. Step 4: Simplify right side
    19,847.08x = 313,960,048.10
  5. Step 5: Solve for x
    x = 313,960,048.10/19,847.08
  6. Step 6: Final answer
    x = 15,818.95

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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.