Home / 13,327.49-18,394.31-7,950.26

Finding the Fourth Proportional to 13,327.49, 18,394.31 and 7,950.26

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Solution

The fourth proportional to 13,327.49, 18,394.31 and 7,950.26 is: 10,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.49 : 18,394.31 = 7,950.26 : x
  2. Step 2: Convert to fraction form
    13,327.49/18,394.31 = 7,950.26/x
  3. Step 3: Cross multiply
    13,327.49x = 18,394.31 × 7,950.26
  4. Step 4: Simplify right side
    13,327.49x = 146,239,547.02
  5. Step 5: Solve for x
    x = 146,239,547.02/13,327.49
  6. Step 6: Final answer
    x = 10,972.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.