Home / 16,990.82-25,486.32-5,303.06

Finding the Fourth Proportional to 16,990.82, 25,486.32 and 5,303.06

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Solution

The fourth proportional to 16,990.82, 25,486.32 and 5,303.06 is: 7,954.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.82 : 25,486.32 = 5,303.06 : x
  2. Step 2: Convert to fraction form
    16,990.82/25,486.32 = 5,303.06/x
  3. Step 3: Cross multiply
    16,990.82x = 25,486.32 × 5,303.06
  4. Step 4: Simplify right side
    16,990.82x = 135,155,484.14
  5. Step 5: Solve for x
    x = 135,155,484.14/16,990.82
  6. Step 6: Final answer
    x = 7,954.62

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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.