Home / 25,586-35,308.68-14,975.12

Finding the Fourth Proportional to 25,586, 35,308.68 and 14,975.12

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Solution

The fourth proportional to 25,586, 35,308.68 and 14,975.12 is: 20,665.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,586 : 35,308.68 = 14,975.12 : x
  2. Step 2: Convert to fraction form
    25,586/35,308.68 = 14,975.12/x
  3. Step 3: Cross multiply
    25,586x = 35,308.68 × 14,975.12
  4. Step 4: Simplify right side
    25,586x = 528,751,720.04
  5. Step 5: Solve for x
    x = 528,751,720.04/25,586
  6. Step 6: Final answer
    x = 20,665.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.