Home / 17,933.28-26,899.12-5,453.60

Finding the Fourth Proportional to 17,933.28, 26,899.12 and 5,453.60

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Solution

The fourth proportional to 17,933.28, 26,899.12 and 5,453.60 is: 8,180.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,933.28 : 26,899.12 = 5,453.60 : x
  2. Step 2: Convert to fraction form
    17,933.28/26,899.12 = 5,453.60/x
  3. Step 3: Cross multiply
    17,933.28x = 26,899.12 × 5,453.60
  4. Step 4: Simplify right side
    17,933.28x = 146,697,040.83
  5. Step 5: Solve for x
    x = 146,697,040.83/17,933.28
  6. Step 6: Final answer
    x = 8,180.16

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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.