Home / 15,831.95-23,756.18-11,485.26

Finding the Fourth Proportional to 15,831.95, 23,756.18 and 11,485.26

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Solution

The fourth proportional to 15,831.95, 23,756.18 and 11,485.26 is: 17,233.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831.95 : 23,756.18 = 11,485.26 : x
  2. Step 2: Convert to fraction form
    15,831.95/23,756.18 = 11,485.26/x
  3. Step 3: Cross multiply
    15,831.95x = 23,756.18 × 11,485.26
  4. Step 4: Simplify right side
    15,831.95x = 272,845,846.48
  5. Step 5: Solve for x
    x = 272,845,846.48/15,831.95
  6. Step 6: Final answer
    x = 17,233.88

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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.