Home / 14,545.68-21,819.93-5,778.63

Finding the Fourth Proportional to 14,545.68, 21,819.93 and 5,778.63

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Solution

The fourth proportional to 14,545.68, 21,819.93 and 5,778.63 is: 8,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,545.68 : 21,819.93 = 5,778.63 : x
  2. Step 2: Convert to fraction form
    14,545.68/21,819.93 = 5,778.63/x
  3. Step 3: Cross multiply
    14,545.68x = 21,819.93 × 5,778.63
  4. Step 4: Simplify right side
    14,545.68x = 126,089,302.10
  5. Step 5: Solve for x
    x = 126,089,302.10/14,545.68
  6. Step 6: Final answer
    x = 8,668.51

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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.