Home / 25,316.47-37,975.76-8,687.94

Finding the Fourth Proportional to 25,316.47, 37,975.76 and 8,687.94

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Solution

The fourth proportional to 25,316.47, 37,975.76 and 8,687.94 is: 13,032.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,316.47 : 37,975.76 = 8,687.94 : x
  2. Step 2: Convert to fraction form
    25,316.47/37,975.76 = 8,687.94/x
  3. Step 3: Cross multiply
    25,316.47x = 37,975.76 × 8,687.94
  4. Step 4: Simplify right side
    25,316.47x = 329,931,124.33
  5. Step 5: Solve for x
    x = 329,931,124.33/25,316.47
  6. Step 6: Final answer
    x = 13,032.27

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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.