Home / 13,831.76-19,093.32-9,353.36

Finding the Fourth Proportional to 13,831.76, 19,093.32 and 9,353.36

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Solution

The fourth proportional to 13,831.76, 19,093.32 and 9,353.36 is: 12,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.76 : 19,093.32 = 9,353.36 : x
  2. Step 2: Convert to fraction form
    13,831.76/19,093.32 = 9,353.36/x
  3. Step 3: Cross multiply
    13,831.76x = 19,093.32 × 9,353.36
  4. Step 4: Simplify right side
    13,831.76x = 178,586,695.56
  5. Step 5: Solve for x
    x = 178,586,695.56/13,831.76
  6. Step 6: Final answer
    x = 12,911.35

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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.