Home / 14,119.35-19,483.85-7,831.73

Finding the Fourth Proportional to 14,119.35, 19,483.85 and 7,831.73

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Solution

The fourth proportional to 14,119.35, 19,483.85 and 7,831.73 is: 10,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.35 : 19,483.85 = 7,831.73 : x
  2. Step 2: Convert to fraction form
    14,119.35/19,483.85 = 7,831.73/x
  3. Step 3: Cross multiply
    14,119.35x = 19,483.85 × 7,831.73
  4. Step 4: Simplify right side
    14,119.35x = 152,592,174.72
  5. Step 5: Solve for x
    x = 152,592,174.72/14,119.35
  6. Step 6: Final answer
    x = 10,807.31

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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.