Home / 19,566.18-29,350.08-7,879.50

Finding the Fourth Proportional to 19,566.18, 29,350.08 and 7,879.50

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Solution

The fourth proportional to 19,566.18, 29,350.08 and 7,879.50 is: 11,819.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,566.18 : 29,350.08 = 7,879.50 : x
  2. Step 2: Convert to fraction form
    19,566.18/29,350.08 = 7,879.50/x
  3. Step 3: Cross multiply
    19,566.18x = 29,350.08 × 7,879.50
  4. Step 4: Simplify right side
    19,566.18x = 231,263,955.36
  5. Step 5: Solve for x
    x = 231,263,955.36/19,566.18
  6. Step 6: Final answer
    x = 11,819.58

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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.