Home / 18,716.58-25,833.21-12,344.31

Finding the Fourth Proportional to 18,716.58, 25,833.21 and 12,344.31

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Solution

The fourth proportional to 18,716.58, 25,833.21 and 12,344.31 is: 17,038.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716.58 : 25,833.21 = 12,344.31 : x
  2. Step 2: Convert to fraction form
    18,716.58/25,833.21 = 12,344.31/x
  3. Step 3: Cross multiply
    18,716.58x = 25,833.21 × 12,344.31
  4. Step 4: Simplify right side
    18,716.58x = 318,893,152.54
  5. Step 5: Solve for x
    x = 318,893,152.54/18,716.58
  6. Step 6: Final answer
    x = 17,038.00

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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.