Home / 18,716.96-25,822.64-14,411.36

Finding the Fourth Proportional to 18,716.96, 25,822.64 and 14,411.36

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Solution

The fourth proportional to 18,716.96, 25,822.64 and 14,411.36 is: 19,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716.96 : 25,822.64 = 14,411.36 : x
  2. Step 2: Convert to fraction form
    18,716.96/25,822.64 = 14,411.36/x
  3. Step 3: Cross multiply
    18,716.96x = 25,822.64 × 14,411.36
  4. Step 4: Simplify right side
    18,716.96x = 372,139,361.19
  5. Step 5: Solve for x
    x = 372,139,361.19/18,716.96
  6. Step 6: Final answer
    x = 19,882.47

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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.