Home / 19,500.35-29,250.11-12,483.72

Finding the Fourth Proportional to 19,500.35, 29,250.11 and 12,483.72

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Solution

The fourth proportional to 19,500.35, 29,250.11 and 12,483.72 is: 18,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,500.35 : 29,250.11 = 12,483.72 : x
  2. Step 2: Convert to fraction form
    19,500.35/29,250.11 = 12,483.72/x
  3. Step 3: Cross multiply
    19,500.35x = 29,250.11 × 12,483.72
  4. Step 4: Simplify right side
    19,500.35x = 365,150,214.42
  5. Step 5: Solve for x
    x = 365,150,214.42/19,500.35
  6. Step 6: Final answer
    x = 18,725.32

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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.