Home / 19,666.24-27,137.37-11,706.91

Finding the Fourth Proportional to 19,666.24, 27,137.37 and 11,706.91

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Solution

The fourth proportional to 19,666.24, 27,137.37 and 11,706.91 is: 16,154.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666.24 : 27,137.37 = 11,706.91 : x
  2. Step 2: Convert to fraction form
    19,666.24/27,137.37 = 11,706.91/x
  3. Step 3: Cross multiply
    19,666.24x = 27,137.37 × 11,706.91
  4. Step 4: Simplify right side
    19,666.24x = 317,694,748.23
  5. Step 5: Solve for x
    x = 317,694,748.23/19,666.24
  6. Step 6: Final answer
    x = 16,154.32

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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.