Home / 15,831.93-23,756.16-11,485.28

Finding the Fourth Proportional to 15,831.93, 23,756.16 and 11,485.28

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Solution

The fourth proportional to 15,831.93, 23,756.16 and 11,485.28 is: 17,233.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831.93 : 23,756.16 = 11,485.28 : x
  2. Step 2: Convert to fraction form
    15,831.93/23,756.16 = 11,485.28/x
  3. Step 3: Cross multiply
    15,831.93x = 23,756.16 × 11,485.28
  4. Step 4: Simplify right side
    15,831.93x = 272,846,149.32
  5. Step 5: Solve for x
    x = 272,846,149.32/15,831.93
  6. Step 6: Final answer
    x = 17,233.92

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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.