Home / 14,633.88-20,199.24-12,665.60

Finding the Fourth Proportional to 14,633.88, 20,199.24 and 12,665.60

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Solution

The fourth proportional to 14,633.88, 20,199.24 and 12,665.60 is: 17,482.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,633.88 : 20,199.24 = 12,665.60 : x
  2. Step 2: Convert to fraction form
    14,633.88/20,199.24 = 12,665.60/x
  3. Step 3: Cross multiply
    14,633.88x = 20,199.24 × 12,665.60
  4. Step 4: Simplify right side
    14,633.88x = 255,835,494.14
  5. Step 5: Solve for x
    x = 255,835,494.14/14,633.88
  6. Step 6: Final answer
    x = 17,482.41

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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.