Home / 13,626.99-18,797.57-8,582.55

Finding the Fourth Proportional to 13,626.99, 18,797.57 and 8,582.55

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Solution

The fourth proportional to 13,626.99, 18,797.57 and 8,582.55 is: 11,839.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626.99 : 18,797.57 = 8,582.55 : x
  2. Step 2: Convert to fraction form
    13,626.99/18,797.57 = 8,582.55/x
  3. Step 3: Cross multiply
    13,626.99x = 18,797.57 × 8,582.55
  4. Step 4: Simplify right side
    13,626.99x = 161,331,084.40
  5. Step 5: Solve for x
    x = 161,331,084.40/13,626.99
  6. Step 6: Final answer
    x = 11,839.08

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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.