Home / 15,831.15-23,762.44-14,063.78

Finding the Fourth Proportional to 15,831.15, 23,762.44 and 14,063.78

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Solution

The fourth proportional to 15,831.15, 23,762.44 and 14,063.78 is: 21,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831.15 : 23,762.44 = 14,063.78 : x
  2. Step 2: Convert to fraction form
    15,831.15/23,762.44 = 14,063.78/x
  3. Step 3: Cross multiply
    15,831.15x = 23,762.44 × 14,063.78
  4. Step 4: Simplify right side
    15,831.15x = 334,189,632.19
  5. Step 5: Solve for x
    x = 334,189,632.19/15,831.15
  6. Step 6: Final answer
    x = 21,109.63

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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.