Home / 16,990.14-25,485.48-6,460.32

Finding the Fourth Proportional to 16,990.14, 25,485.48 and 6,460.32

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Solution

The fourth proportional to 16,990.14, 25,485.48 and 6,460.32 is: 9,690.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.14 : 25,485.48 = 6,460.32 : x
  2. Step 2: Convert to fraction form
    16,990.14/25,485.48 = 6,460.32/x
  3. Step 3: Cross multiply
    16,990.14x = 25,485.48 × 6,460.32
  4. Step 4: Simplify right side
    16,990.14x = 164,644,356.15
  5. Step 5: Solve for x
    x = 164,644,356.15/16,990.14
  6. Step 6: Final answer
    x = 9,690.58

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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.