Home / 19,706.95-27,196.32-11,749.92

Finding the Fourth Proportional to 19,706.95, 27,196.32 and 11,749.92

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Solution

The fourth proportional to 19,706.95, 27,196.32 and 11,749.92 is: 16,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,706.95 : 27,196.32 = 11,749.92 : x
  2. Step 2: Convert to fraction form
    19,706.95/27,196.32 = 11,749.92/x
  3. Step 3: Cross multiply
    19,706.95x = 27,196.32 × 11,749.92
  4. Step 4: Simplify right side
    19,706.95x = 319,554,584.29
  5. Step 5: Solve for x
    x = 319,554,584.29/19,706.95
  6. Step 6: Final answer
    x = 16,215.32

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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.