Home / 15,867.96-23,784.80-6,975.38

Finding the Fourth Proportional to 15,867.96, 23,784.80 and 6,975.38

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Solution

The fourth proportional to 15,867.96, 23,784.80 and 6,975.38 is: 10,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,867.96 : 23,784.80 = 6,975.38 : x
  2. Step 2: Convert to fraction form
    15,867.96/23,784.80 = 6,975.38/x
  3. Step 3: Cross multiply
    15,867.96x = 23,784.80 × 6,975.38
  4. Step 4: Simplify right side
    15,867.96x = 165,908,018.22
  5. Step 5: Solve for x
    x = 165,908,018.22/15,867.96
  6. Step 6: Final answer
    x = 10,455.54

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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.