Home / 19,066.86-28,596.78-7,970.60

Finding the Fourth Proportional to 19,066.86, 28,596.78 and 7,970.60

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Solution

The fourth proportional to 19,066.86, 28,596.78 and 7,970.60 is: 11,954.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,066.86 : 28,596.78 = 7,970.60 : x
  2. Step 2: Convert to fraction form
    19,066.86/28,596.78 = 7,970.60/x
  3. Step 3: Cross multiply
    19,066.86x = 28,596.78 × 7,970.60
  4. Step 4: Simplify right side
    19,066.86x = 227,933,566.16
  5. Step 5: Solve for x
    x = 227,933,566.16/19,066.86
  6. Step 6: Final answer
    x = 11,954.44

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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.