Home / 12,831.55-19,243.64-4,933.51

Finding the Fourth Proportional to 12,831.55, 19,243.64 and 4,933.51

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Solution

The fourth proportional to 12,831.55, 19,243.64 and 4,933.51 is: 7,398.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.55 : 19,243.64 = 4,933.51 : x
  2. Step 2: Convert to fraction form
    12,831.55/19,243.64 = 4,933.51/x
  3. Step 3: Cross multiply
    12,831.55x = 19,243.64 × 4,933.51
  4. Step 4: Simplify right side
    12,831.55x = 94,938,654.60
  5. Step 5: Solve for x
    x = 94,938,654.60/12,831.55
  6. Step 6: Final answer
    x = 7,398.85

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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.