Home / 15,795.09-23,690.21-5,406.84

Finding the Fourth Proportional to 15,795.09, 23,690.21 and 5,406.84

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Solution

The fourth proportional to 15,795.09, 23,690.21 and 5,406.84 is: 8,109.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,795.09 : 23,690.21 = 5,406.84 : x
  2. Step 2: Convert to fraction form
    15,795.09/23,690.21 = 5,406.84/x
  3. Step 3: Cross multiply
    15,795.09x = 23,690.21 × 5,406.84
  4. Step 4: Simplify right side
    15,795.09x = 128,089,148.00
  5. Step 5: Solve for x
    x = 128,089,148.00/15,795.09
  6. Step 6: Final answer
    x = 8,109.43

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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.