Home / 15,369.75-23,054.63-4,981.50

Finding the Fourth Proportional to 15,369.75, 23,054.63 and 4,981.50

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Solution

The fourth proportional to 15,369.75, 23,054.63 and 4,981.50 is: 7,472.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,369.75 : 23,054.63 = 4,981.50 : x
  2. Step 2: Convert to fraction form
    15,369.75/23,054.63 = 4,981.50/x
  3. Step 3: Cross multiply
    15,369.75x = 23,054.63 × 4,981.50
  4. Step 4: Simplify right side
    15,369.75x = 114,846,614.44
  5. Step 5: Solve for x
    x = 114,846,614.44/15,369.75
  6. Step 6: Final answer
    x = 7,472.25

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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.