Home / 13,317.84-18,382.92-8,598.48

Finding the Fourth Proportional to 13,317.84, 18,382.92 and 8,598.48

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Solution

The fourth proportional to 13,317.84, 18,382.92 and 8,598.48 is: 11,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.84 : 18,382.92 = 8,598.48 : x
  2. Step 2: Convert to fraction form
    13,317.84/18,382.92 = 8,598.48/x
  3. Step 3: Cross multiply
    13,317.84x = 18,382.92 × 8,598.48
  4. Step 4: Simplify right side
    13,317.84x = 158,065,169.96
  5. Step 5: Solve for x
    x = 158,065,169.96/13,317.84
  6. Step 6: Final answer
    x = 11,868.68

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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.