Home / 19,056.90-28,587.63-7,212.54

Finding the Fourth Proportional to 19,056.90, 28,587.63 and 7,212.54

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Solution

The fourth proportional to 19,056.90, 28,587.63 and 7,212.54 is: 10,819.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,056.90 : 28,587.63 = 7,212.54 : x
  2. Step 2: Convert to fraction form
    19,056.90/28,587.63 = 7,212.54/x
  3. Step 3: Cross multiply
    19,056.90x = 28,587.63 × 7,212.54
  4. Step 4: Simplify right side
    19,056.90x = 206,189,424.88
  5. Step 5: Solve for x
    x = 206,189,424.88/19,056.90
  6. Step 6: Final answer
    x = 10,819.67

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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.