Home / 18,528.58-25,573.41-11,812.66

Finding the Fourth Proportional to 18,528.58, 25,573.41 and 11,812.66

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Solution

The fourth proportional to 18,528.58, 25,573.41 and 11,812.66 is: 16,304.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.58 : 25,573.41 = 11,812.66 : x
  2. Step 2: Convert to fraction form
    18,528.58/25,573.41 = 11,812.66/x
  3. Step 3: Cross multiply
    18,528.58x = 25,573.41 × 11,812.66
  4. Step 4: Simplify right side
    18,528.58x = 302,089,997.37
  5. Step 5: Solve for x
    x = 302,089,997.37/18,528.58
  6. Step 6: Final answer
    x = 16,304.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.