Home / 15,831.45-23,751.93-4,738.50

Finding the Fourth Proportional to 15,831.45, 23,751.93 and 4,738.50

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Solution

The fourth proportional to 15,831.45, 23,751.93 and 4,738.50 is: 7,109.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831.45 : 23,751.93 = 4,738.50 : x
  2. Step 2: Convert to fraction form
    15,831.45/23,751.93 = 4,738.50/x
  3. Step 3: Cross multiply
    15,831.45x = 23,751.93 × 4,738.50
  4. Step 4: Simplify right side
    15,831.45x = 112,548,520.31
  5. Step 5: Solve for x
    x = 112,548,520.31/15,831.45
  6. Step 6: Final answer
    x = 7,109.17

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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.