Home / 18,745.95-28,118.88-6,263.12

Finding the Fourth Proportional to 18,745.95, 28,118.88 and 6,263.12

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Solution

The fourth proportional to 18,745.95, 28,118.88 and 6,263.12 is: 9,394.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745.95 : 28,118.88 = 6,263.12 : x
  2. Step 2: Convert to fraction form
    18,745.95/28,118.88 = 6,263.12/x
  3. Step 3: Cross multiply
    18,745.95x = 28,118.88 × 6,263.12
  4. Step 4: Simplify right side
    18,745.95x = 176,111,990.00
  5. Step 5: Solve for x
    x = 176,111,990.00/18,745.95
  6. Step 6: Final answer
    x = 9,394.67

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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.