Home / 19,009.80-28,514.70-14,052.60

Finding the Fourth Proportional to 19,009.80, 28,514.70 and 14,052.60

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Solution

The fourth proportional to 19,009.80, 28,514.70 and 14,052.60 is: 21,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.80 : 28,514.70 = 14,052.60 : x
  2. Step 2: Convert to fraction form
    19,009.80/28,514.70 = 14,052.60/x
  3. Step 3: Cross multiply
    19,009.80x = 28,514.70 × 14,052.60
  4. Step 4: Simplify right side
    19,009.80x = 400,705,673.22
  5. Step 5: Solve for x
    x = 400,705,673.22/19,009.80
  6. Step 6: Final answer
    x = 21,078.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.