Home / 19,923.66-27,485.42-12,852.36

Finding the Fourth Proportional to 19,923.66, 27,485.42 and 12,852.36

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Solution

The fourth proportional to 19,923.66, 27,485.42 and 12,852.36 is: 17,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.66 : 27,485.42 = 12,852.36 : x
  2. Step 2: Convert to fraction form
    19,923.66/27,485.42 = 12,852.36/x
  3. Step 3: Cross multiply
    19,923.66x = 27,485.42 × 12,852.36
  4. Step 4: Simplify right side
    19,923.66x = 353,252,512.59
  5. Step 5: Solve for x
    x = 353,252,512.59/19,923.66
  6. Step 6: Final answer
    x = 17,730.30

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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.