Home / 19,953.63-27,537.92-11,995.68

Finding the Fourth Proportional to 19,953.63, 27,537.92 and 11,995.68

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Solution

The fourth proportional to 19,953.63, 27,537.92 and 11,995.68 is: 16,555.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.63 : 27,537.92 = 11,995.68 : x
  2. Step 2: Convert to fraction form
    19,953.63/27,537.92 = 11,995.68/x
  3. Step 3: Cross multiply
    19,953.63x = 27,537.92 × 11,995.68
  4. Step 4: Simplify right side
    19,953.63x = 330,336,016.21
  5. Step 5: Solve for x
    x = 330,336,016.21/19,953.63
  6. Step 6: Final answer
    x = 16,555.18

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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.