Home / 18,623.77-25,703.88-13,604.60

Finding the Fourth Proportional to 18,623.77, 25,703.88 and 13,604.60

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Solution

The fourth proportional to 18,623.77, 25,703.88 and 13,604.60 is: 18,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.77 : 25,703.88 = 13,604.60 : x
  2. Step 2: Convert to fraction form
    18,623.77/25,703.88 = 13,604.60/x
  3. Step 3: Cross multiply
    18,623.77x = 25,703.88 × 13,604.60
  4. Step 4: Simplify right side
    18,623.77x = 349,691,005.85
  5. Step 5: Solve for x
    x = 349,691,005.85/18,623.77
  6. Step 6: Final answer
    x = 18,776.60

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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.