Home / 15,208.48-22,812.78-4,678.43

Finding the Fourth Proportional to 15,208.48, 22,812.78 and 4,678.43

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Solution

The fourth proportional to 15,208.48, 22,812.78 and 4,678.43 is: 7,017.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,208.48 : 22,812.78 = 4,678.43 : x
  2. Step 2: Convert to fraction form
    15,208.48/22,812.78 = 4,678.43/x
  3. Step 3: Cross multiply
    15,208.48x = 22,812.78 × 4,678.43
  4. Step 4: Simplify right side
    15,208.48x = 106,728,063.98
  5. Step 5: Solve for x
    x = 106,728,063.98/15,208.48
  6. Step 6: Final answer
    x = 7,017.67

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1.5x scale

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.