Home / 30,365.02-45,551.37-11,894.62

Finding the Fourth Proportional to 30,365.02, 45,551.37 and 11,894.62

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Solution

The fourth proportional to 30,365.02, 45,551.37 and 11,894.62 is: 17,843.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,365.02 : 45,551.37 = 11,894.62 : x
  2. Step 2: Convert to fraction form
    30,365.02/45,551.37 = 11,894.62/x
  3. Step 3: Cross multiply
    30,365.02x = 45,551.37 × 11,894.62
  4. Step 4: Simplify right side
    30,365.02x = 541,816,236.63
  5. Step 5: Solve for x
    x = 541,816,236.63/30,365.02
  6. Step 6: Final answer
    x = 17,843.43

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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.