Home / 16,818.63-25,230.39-5,130.33

Finding the Fourth Proportional to 16,818.63, 25,230.39 and 5,130.33

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Solution

The fourth proportional to 16,818.63, 25,230.39 and 5,130.33 is: 7,696.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.63 : 25,230.39 = 5,130.33 : x
  2. Step 2: Convert to fraction form
    16,818.63/25,230.39 = 5,130.33/x
  3. Step 3: Cross multiply
    16,818.63x = 25,230.39 × 5,130.33
  4. Step 4: Simplify right side
    16,818.63x = 129,440,226.73
  5. Step 5: Solve for x
    x = 129,440,226.73/16,818.63
  6. Step 6: Final answer
    x = 7,696.24

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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.