Home / 15,016.95-22,518.06-8,778.54

Finding the Fourth Proportional to 15,016.95, 22,518.06 and 8,778.54

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Solution

The fourth proportional to 15,016.95, 22,518.06 and 8,778.54 is: 13,163.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016.95 : 22,518.06 = 8,778.54 : x
  2. Step 2: Convert to fraction form
    15,016.95/22,518.06 = 8,778.54/x
  3. Step 3: Cross multiply
    15,016.95x = 22,518.06 × 8,778.54
  4. Step 4: Simplify right side
    15,016.95x = 197,675,690.43
  5. Step 5: Solve for x
    x = 197,675,690.43/15,016.95
  6. Step 6: Final answer
    x = 13,163.50

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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.