Home / 15,157.68-22,739.62-6,392.60

Finding the Fourth Proportional to 15,157.68, 22,739.62 and 6,392.60

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Solution

The fourth proportional to 15,157.68, 22,739.62 and 6,392.60 is: 9,590.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,157.68 : 22,739.62 = 6,392.60 : x
  2. Step 2: Convert to fraction form
    15,157.68/22,739.62 = 6,392.60/x
  3. Step 3: Cross multiply
    15,157.68x = 22,739.62 × 6,392.60
  4. Step 4: Simplify right side
    15,157.68x = 145,365,294.81
  5. Step 5: Solve for x
    x = 145,365,294.81/15,157.68
  6. Step 6: Final answer
    x = 9,590.21

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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.