Home / 14,918.63-20,588.22-8,204.76

Finding the Fourth Proportional to 14,918.63, 20,588.22 and 8,204.76

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Solution

The fourth proportional to 14,918.63, 20,588.22 and 8,204.76 is: 11,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.63 : 20,588.22 = 8,204.76 : x
  2. Step 2: Convert to fraction form
    14,918.63/20,588.22 = 8,204.76/x
  3. Step 3: Cross multiply
    14,918.63x = 20,588.22 × 8,204.76
  4. Step 4: Simplify right side
    14,918.63x = 168,921,403.93
  5. Step 5: Solve for x
    x = 168,921,403.93/14,918.63
  6. Step 6: Final answer
    x = 11,322.85

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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.