Home / 19,852.57-27,396.59-10,900.65

Finding the Fourth Proportional to 19,852.57, 27,396.59 and 10,900.65

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Solution

The fourth proportional to 19,852.57, 27,396.59 and 10,900.65 is: 15,042.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,852.57 : 27,396.59 = 10,900.65 : x
  2. Step 2: Convert to fraction form
    19,852.57/27,396.59 = 10,900.65/x
  3. Step 3: Cross multiply
    19,852.57x = 27,396.59 × 10,900.65
  4. Step 4: Simplify right side
    19,852.57x = 298,640,594.23
  5. Step 5: Solve for x
    x = 298,640,594.23/19,852.57
  6. Step 6: Final answer
    x = 15,042.92

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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.