Home / 13,495.93-20,346.66-12,544.58

Finding the Fourth Proportional to 13,495.93, 20,346.66 and 12,544.58

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Solution

The fourth proportional to 13,495.93, 20,346.66 and 12,544.58 is: 18,912.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.93 : 20,346.66 = 12,544.58 : x
  2. Step 2: Convert to fraction form
    13,495.93/20,346.66 = 12,544.58/x
  3. Step 3: Cross multiply
    13,495.93x = 20,346.66 × 12,544.58
  4. Step 4: Simplify right side
    13,495.93x = 255,240,304.10
  5. Step 5: Solve for x
    x = 255,240,304.10/13,495.93
  6. Step 6: Final answer
    x = 18,912.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.