Home / 17,428.02-26,142.06-6,900.51

Finding the Fourth Proportional to 17,428.02, 26,142.06 and 6,900.51

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Solution

The fourth proportional to 17,428.02, 26,142.06 and 6,900.51 is: 10,350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428.02 : 26,142.06 = 6,900.51 : x
  2. Step 2: Convert to fraction form
    17,428.02/26,142.06 = 6,900.51/x
  3. Step 3: Cross multiply
    17,428.02x = 26,142.06 × 6,900.51
  4. Step 4: Simplify right side
    17,428.02x = 180,393,546.45
  5. Step 5: Solve for x
    x = 180,393,546.45/17,428.02
  6. Step 6: Final answer
    x = 10,350.78

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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.