Home / 14,975.49-20,666.13-8,602.50

Finding the Fourth Proportional to 14,975.49, 20,666.13 and 8,602.50

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Solution

The fourth proportional to 14,975.49, 20,666.13 and 8,602.50 is: 11,871.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975.49 : 20,666.13 = 8,602.50 : x
  2. Step 2: Convert to fraction form
    14,975.49/20,666.13 = 8,602.50/x
  3. Step 3: Cross multiply
    14,975.49x = 20,666.13 × 8,602.50
  4. Step 4: Simplify right side
    14,975.49x = 177,780,383.33
  5. Step 5: Solve for x
    x = 177,780,383.33/14,975.49
  6. Step 6: Final answer
    x = 11,871.42

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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.