Home / 14,860.34-20,495.44-12,629.60

Finding the Fourth Proportional to 14,860.34, 20,495.44 and 12,629.60

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Solution

The fourth proportional to 14,860.34, 20,495.44 and 12,629.60 is: 17,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,860.34 : 20,495.44 = 12,629.60 : x
  2. Step 2: Convert to fraction form
    14,860.34/20,495.44 = 12,629.60/x
  3. Step 3: Cross multiply
    14,860.34x = 20,495.44 × 12,629.60
  4. Step 4: Simplify right side
    14,860.34x = 258,849,209.02
  5. Step 5: Solve for x
    x = 258,849,209.02/14,860.34
  6. Step 6: Final answer
    x = 17,418.79

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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.