Home / 16,442.30-22,690.34-8,888.64

Finding the Fourth Proportional to 16,442.30, 22,690.34 and 8,888.64

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Solution

The fourth proportional to 16,442.30, 22,690.34 and 8,888.64 is: 12,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,442.30 : 22,690.34 = 8,888.64 : x
  2. Step 2: Convert to fraction form
    16,442.30/22,690.34 = 8,888.64/x
  3. Step 3: Cross multiply
    16,442.30x = 22,690.34 × 8,888.64
  4. Step 4: Simplify right side
    16,442.30x = 201,686,217.54
  5. Step 5: Solve for x
    x = 201,686,217.54/16,442.30
  6. Step 6: Final answer
    x = 12,266.30

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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.