Home / 13,166.04-18,077.26-12,823.41

Finding the Fourth Proportional to 13,166.04, 18,077.26 and 12,823.41

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Solution

The fourth proportional to 13,166.04, 18,077.26 and 12,823.41 is: 17,606.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.04 : 18,077.26 = 12,823.41 : x
  2. Step 2: Convert to fraction form
    13,166.04/18,077.26 = 12,823.41/x
  3. Step 3: Cross multiply
    13,166.04x = 18,077.26 × 12,823.41
  4. Step 4: Simplify right side
    13,166.04x = 231,812,230.53
  5. Step 5: Solve for x
    x = 231,812,230.53/13,166.04
  6. Step 6: Final answer
    x = 17,606.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.