Home / 19,313.49-28,967.00-5,459.25

Finding the Fourth Proportional to 19,313.49, 28,967.00 and 5,459.25

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Solution

The fourth proportional to 19,313.49, 28,967.00 and 5,459.25 is: 8,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313.49 : 28,967.00 = 5,459.25 : x
  2. Step 2: Convert to fraction form
    19,313.49/28,967.00 = 5,459.25/x
  3. Step 3: Cross multiply
    19,313.49x = 28,967.00 × 5,459.25
  4. Step 4: Simplify right side
    19,313.49x = 158,138,067.45
  5. Step 5: Solve for x
    x = 158,138,067.45/19,313.49
  6. Step 6: Final answer
    x = 8,187.96

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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.