Home / 18,483.88-25,526.40-11,772.53

Finding the Fourth Proportional to 18,483.88, 25,526.40 and 11,772.53

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Solution

The fourth proportional to 18,483.88, 25,526.40 and 11,772.53 is: 16,257.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483.88 : 25,526.40 = 11,772.53 : x
  2. Step 2: Convert to fraction form
    18,483.88/25,526.40 = 11,772.53/x
  3. Step 3: Cross multiply
    18,483.88x = 25,526.40 × 11,772.53
  4. Step 4: Simplify right side
    18,483.88x = 300,510,309.79
  5. Step 5: Solve for x
    x = 300,510,309.79/18,483.88
  6. Step 6: Final answer
    x = 16,257.97

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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.