Home / 19,705.01-29,545.61-7,860.59

Finding the Fourth Proportional to 19,705.01, 29,545.61 and 7,860.59

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Solution

The fourth proportional to 19,705.01, 29,545.61 and 7,860.59 is: 11,786.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,705.01 : 29,545.61 = 7,860.59 : x
  2. Step 2: Convert to fraction form
    19,705.01/29,545.61 = 7,860.59/x
  3. Step 3: Cross multiply
    19,705.01x = 29,545.61 × 7,860.59
  4. Step 4: Simplify right side
    19,705.01x = 232,245,739.48
  5. Step 5: Solve for x
    x = 232,245,739.48/19,705.01
  6. Step 6: Final answer
    x = 11,786.12

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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.