Home / 16,680.48-25,030.44-6,818.28

Finding the Fourth Proportional to 16,680.48, 25,030.44 and 6,818.28

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Solution

The fourth proportional to 16,680.48, 25,030.44 and 6,818.28 is: 10,231.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.48 : 25,030.44 = 6,818.28 : x
  2. Step 2: Convert to fraction form
    16,680.48/25,030.44 = 6,818.28/x
  3. Step 3: Cross multiply
    16,680.48x = 25,030.44 × 6,818.28
  4. Step 4: Simplify right side
    16,680.48x = 170,664,548.44
  5. Step 5: Solve for x
    x = 170,664,548.44/16,680.48
  6. Step 6: Final answer
    x = 10,231.39

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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.