Home / 14,372.10-19,831.43-7,998.41

Finding the Fourth Proportional to 14,372.10, 19,831.43 and 7,998.41

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Solution

The fourth proportional to 14,372.10, 19,831.43 and 7,998.41 is: 11,036.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,372.10 : 19,831.43 = 7,998.41 : x
  2. Step 2: Convert to fraction form
    14,372.10/19,831.43 = 7,998.41/x
  3. Step 3: Cross multiply
    14,372.10x = 19,831.43 × 7,998.41
  4. Step 4: Simplify right side
    14,372.10x = 158,619,977.60
  5. Step 5: Solve for x
    x = 158,619,977.60/14,372.10
  6. Step 6: Final answer
    x = 11,036.66

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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.