Home / 18,464.31-27,693.35-5,313.63

Finding the Fourth Proportional to 18,464.31, 27,693.35 and 5,313.63

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Solution

The fourth proportional to 18,464.31, 27,693.35 and 5,313.63 is: 7,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,464.31 : 27,693.35 = 5,313.63 : x
  2. Step 2: Convert to fraction form
    18,464.31/27,693.35 = 5,313.63/x
  3. Step 3: Cross multiply
    18,464.31x = 27,693.35 × 5,313.63
  4. Step 4: Simplify right side
    18,464.31x = 147,152,215.36
  5. Step 5: Solve for x
    x = 147,152,215.36/18,464.31
  6. Step 6: Final answer
    x = 7,969.55

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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.