Home / 18,455.06-27,692.31-8,074.10

Finding the Fourth Proportional to 18,455.06, 27,692.31 and 8,074.10

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Solution

The fourth proportional to 18,455.06, 27,692.31 and 8,074.10 is: 12,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.06 : 27,692.31 = 8,074.10 : x
  2. Step 2: Convert to fraction form
    18,455.06/27,692.31 = 8,074.10/x
  3. Step 3: Cross multiply
    18,455.06x = 27,692.31 × 8,074.10
  4. Step 4: Simplify right side
    18,455.06x = 223,590,480.17
  5. Step 5: Solve for x
    x = 223,590,480.17/18,455.06
  6. Step 6: Final answer
    x = 12,115.40

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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.