Home / 18,896.47-26,078.20-10,831.46

Finding the Fourth Proportional to 18,896.47, 26,078.20 and 10,831.46

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Solution

The fourth proportional to 18,896.47, 26,078.20 and 10,831.46 is: 14,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,896.47 : 26,078.20 = 10,831.46 : x
  2. Step 2: Convert to fraction form
    18,896.47/26,078.20 = 10,831.46/x
  3. Step 3: Cross multiply
    18,896.47x = 26,078.20 × 10,831.46
  4. Step 4: Simplify right side
    18,896.47x = 282,465,108.85
  5. Step 5: Solve for x
    x = 282,465,108.85/18,896.47
  6. Step 6: Final answer
    x = 14,948.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.