Home / 24,123.20-36,188.40-8,539.60

Finding the Fourth Proportional to 24,123.20, 36,188.40 and 8,539.60

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Solution

The fourth proportional to 24,123.20, 36,188.40 and 8,539.60 is: 12,810.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,123.20 : 36,188.40 = 8,539.60 : x
  2. Step 2: Convert to fraction form
    24,123.20/36,188.40 = 8,539.60/x
  3. Step 3: Cross multiply
    24,123.20x = 36,188.40 × 8,539.60
  4. Step 4: Simplify right side
    24,123.20x = 309,034,460.64
  5. Step 5: Solve for x
    x = 309,034,460.64/24,123.20
  6. Step 6: Final answer
    x = 12,810.67

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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.