Home / 18,776.83-25,912.05-11,703.25

Finding the Fourth Proportional to 18,776.83, 25,912.05 and 11,703.25

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Solution

The fourth proportional to 18,776.83, 25,912.05 and 11,703.25 is: 16,150.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,776.83 : 25,912.05 = 11,703.25 : x
  2. Step 2: Convert to fraction form
    18,776.83/25,912.05 = 11,703.25/x
  3. Step 3: Cross multiply
    18,776.83x = 25,912.05 × 11,703.25
  4. Step 4: Simplify right side
    18,776.83x = 303,255,199.16
  5. Step 5: Solve for x
    x = 303,255,199.16/18,776.83
  6. Step 6: Final answer
    x = 16,150.50

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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.