Home / 12,725.70-19,095.60-5,705.44

Finding the Fourth Proportional to 12,725.70, 19,095.60 and 5,705.44

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Solution

The fourth proportional to 12,725.70, 19,095.60 and 5,705.44 is: 8,561.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.70 : 19,095.60 = 5,705.44 : x
  2. Step 2: Convert to fraction form
    12,725.70/19,095.60 = 5,705.44/x
  3. Step 3: Cross multiply
    12,725.70x = 19,095.60 × 5,705.44
  4. Step 4: Simplify right side
    12,725.70x = 108,948,800.06
  5. Step 5: Solve for x
    x = 108,948,800.06/12,725.70
  6. Step 6: Final answer
    x = 8,561.32

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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.