Home / 15,561.03-23,314.20-12,772.60

Finding the Fourth Proportional to 15,561.03, 23,314.20 and 12,772.60

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Solution

The fourth proportional to 15,561.03, 23,314.20 and 12,772.60 is: 19,136.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561.03 : 23,314.20 = 12,772.60 : x
  2. Step 2: Convert to fraction form
    15,561.03/23,314.20 = 12,772.60/x
  3. Step 3: Cross multiply
    15,561.03x = 23,314.20 × 12,772.60
  4. Step 4: Simplify right side
    15,561.03x = 297,782,950.92
  5. Step 5: Solve for x
    x = 297,782,950.92/15,561.03
  6. Step 6: Final answer
    x = 19,136.46

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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.