Home / 32,680.55-49,014.60-12,690.06

Finding the Fourth Proportional to 32,680.55, 49,014.60 and 12,690.06

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Solution

The fourth proportional to 32,680.55, 49,014.60 and 12,690.06 is: 19,032.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,680.55 : 49,014.60 = 12,690.06 : x
  2. Step 2: Convert to fraction form
    32,680.55/49,014.60 = 12,690.06/x
  3. Step 3: Cross multiply
    32,680.55x = 49,014.60 × 12,690.06
  4. Step 4: Simplify right side
    32,680.55x = 621,998,214.88
  5. Step 5: Solve for x
    x = 621,998,214.88/32,680.55
  6. Step 6: Final answer
    x = 19,032.67

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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.