Home / 16,986.00-25,458.81-12,812.18

Finding the Fourth Proportional to 16,986.00, 25,458.81 and 12,812.18

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Solution

The fourth proportional to 16,986.00, 25,458.81 and 12,812.18 is: 19,203.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.00 : 25,458.81 = 12,812.18 : x
  2. Step 2: Convert to fraction form
    16,986.00/25,458.81 = 12,812.18/x
  3. Step 3: Cross multiply
    16,986.00x = 25,458.81 × 12,812.18
  4. Step 4: Simplify right side
    16,986.00x = 326,182,680.97
  5. Step 5: Solve for x
    x = 326,182,680.97/16,986.00
  6. Step 6: Final answer
    x = 19,203.03

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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.