Home / 14,877.28-20,530.64-8,504

Finding the Fourth Proportional to 14,877.28, 20,530.64 and 8,504

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Solution

The fourth proportional to 14,877.28, 20,530.64 and 8,504 is: 11,735.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,877.28 : 20,530.64 = 8,504 : x
  2. Step 2: Convert to fraction form
    14,877.28/20,530.64 = 8,504/x
  3. Step 3: Cross multiply
    14,877.28x = 20,530.64 × 8,504
  4. Step 4: Simplify right side
    14,877.28x = 174,592,562.56
  5. Step 5: Solve for x
    x = 174,592,562.56/14,877.28
  6. Step 6: Final answer
    x = 11,735.52

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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.