Home / 15,829.20-23,724.60-7,054.80

Finding the Fourth Proportional to 15,829.20, 23,724.60 and 7,054.80

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Solution

The fourth proportional to 15,829.20, 23,724.60 and 7,054.80 is: 10,573.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,829.20 : 23,724.60 = 7,054.80 : x
  2. Step 2: Convert to fraction form
    15,829.20/23,724.60 = 7,054.80/x
  3. Step 3: Cross multiply
    15,829.20x = 23,724.60 × 7,054.80
  4. Step 4: Simplify right side
    15,829.20x = 167,372,308.08
  5. Step 5: Solve for x
    x = 167,372,308.08/15,829.20
  6. Step 6: Final answer
    x = 10,573.64

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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.