Home / 27,831.37-41,752.18-9,112.45

Finding the Fourth Proportional to 27,831.37, 41,752.18 and 9,112.45

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Solution

The fourth proportional to 27,831.37, 41,752.18 and 9,112.45 is: 13,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,831.37 : 41,752.18 = 9,112.45 : x
  2. Step 2: Convert to fraction form
    27,831.37/41,752.18 = 9,112.45/x
  3. Step 3: Cross multiply
    27,831.37x = 41,752.18 × 9,112.45
  4. Step 4: Simplify right side
    27,831.37x = 380,464,652.64
  5. Step 5: Solve for x
    x = 380,464,652.64/27,831.37
  6. Step 6: Final answer
    x = 13,670.35

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1.5x scale

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.