Home / 15,316.25-22,975.70-4,222.96

Finding the Fourth Proportional to 15,316.25, 22,975.70 and 4,222.96

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Solution

The fourth proportional to 15,316.25, 22,975.70 and 4,222.96 is: 6,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316.25 : 22,975.70 = 4,222.96 : x
  2. Step 2: Convert to fraction form
    15,316.25/22,975.70 = 4,222.96/x
  3. Step 3: Cross multiply
    15,316.25x = 22,975.70 × 4,222.96
  4. Step 4: Simplify right side
    15,316.25x = 97,025,383.52
  5. Step 5: Solve for x
    x = 97,025,383.52/15,316.25
  6. Step 6: Final answer
    x = 6,334.80

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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.