Home / 13,282.43-18,329.75-7,314.08

Finding the Fourth Proportional to 13,282.43, 18,329.75 and 7,314.08

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Solution

The fourth proportional to 13,282.43, 18,329.75 and 7,314.08 is: 10,093.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.43 : 18,329.75 = 7,314.08 : x
  2. Step 2: Convert to fraction form
    13,282.43/18,329.75 = 7,314.08/x
  3. Step 3: Cross multiply
    13,282.43x = 18,329.75 × 7,314.08
  4. Step 4: Simplify right side
    13,282.43x = 134,065,356.36
  5. Step 5: Solve for x
    x = 134,065,356.36/13,282.43
  6. Step 6: Final answer
    x = 10,093.44

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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.