Home / 14,010.21-20,953.35-12,461.09

Finding the Fourth Proportional to 14,010.21, 20,953.35 and 12,461.09

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Solution

The fourth proportional to 14,010.21, 20,953.35 and 12,461.09 is: 18,636.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.21 : 20,953.35 = 12,461.09 : x
  2. Step 2: Convert to fraction form
    14,010.21/20,953.35 = 12,461.09/x
  3. Step 3: Cross multiply
    14,010.21x = 20,953.35 × 12,461.09
  4. Step 4: Simplify right side
    14,010.21x = 261,101,558.92
  5. Step 5: Solve for x
    x = 261,101,558.92/14,010.21
  6. Step 6: Final answer
    x = 18,636.52

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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.