Home / 24,558.12-36,840.42-12,078.72

Finding the Fourth Proportional to 24,558.12, 36,840.42 and 12,078.72

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Solution

The fourth proportional to 24,558.12, 36,840.42 and 12,078.72 is: 18,119.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,558.12 : 36,840.42 = 12,078.72 : x
  2. Step 2: Convert to fraction form
    24,558.12/36,840.42 = 12,078.72/x
  3. Step 3: Cross multiply
    24,558.12x = 36,840.42 × 12,078.72
  4. Step 4: Simplify right side
    24,558.12x = 444,985,117.86
  5. Step 5: Solve for x
    x = 444,985,117.86/24,558.12
  6. Step 6: Final answer
    x = 18,119.67

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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.