Home / 14,400.60-21,536.10-12,067.80

Finding the Fourth Proportional to 14,400.60, 21,536.10 and 12,067.80

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Solution

The fourth proportional to 14,400.60, 21,536.10 and 12,067.80 is: 18,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.60 : 21,536.10 = 12,067.80 : x
  2. Step 2: Convert to fraction form
    14,400.60/21,536.10 = 12,067.80/x
  3. Step 3: Cross multiply
    14,400.60x = 21,536.10 × 12,067.80
  4. Step 4: Simplify right side
    14,400.60x = 259,893,347.58
  5. Step 5: Solve for x
    x = 259,893,347.58/14,400.60
  6. Step 6: Final answer
    x = 18,047.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.