Home / 25,664.96-38,498.80-8,136.16

Finding the Fourth Proportional to 25,664.96, 38,498.80 and 8,136.16

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Solution

The fourth proportional to 25,664.96, 38,498.80 and 8,136.16 is: 12,204.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,664.96 : 38,498.80 = 8,136.16 : x
  2. Step 2: Convert to fraction form
    25,664.96/38,498.80 = 8,136.16/x
  3. Step 3: Cross multiply
    25,664.96x = 38,498.80 × 8,136.16
  4. Step 4: Simplify right side
    25,664.96x = 313,232,320.70
  5. Step 5: Solve for x
    x = 313,232,320.70/25,664.96
  6. Step 6: Final answer
    x = 12,204.67

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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.