Home / 15,873.22-23,817.78-6,520.18

Finding the Fourth Proportional to 15,873.22, 23,817.78 and 6,520.18

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Solution

The fourth proportional to 15,873.22, 23,817.78 and 6,520.18 is: 9,783.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,873.22 : 23,817.78 = 6,520.18 : x
  2. Step 2: Convert to fraction form
    15,873.22/23,817.78 = 6,520.18/x
  3. Step 3: Cross multiply
    15,873.22x = 23,817.78 × 6,520.18
  4. Step 4: Simplify right side
    15,873.22x = 155,296,212.80
  5. Step 5: Solve for x
    x = 155,296,212.80/15,873.22
  6. Step 6: Final answer
    x = 9,783.54

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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.