Home / 42,663.54-63,976.64-14,576.09

Finding the Fourth Proportional to 42,663.54, 63,976.64 and 14,576.09

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Solution

The fourth proportional to 42,663.54, 63,976.64 and 14,576.09 is: 21,857.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,663.54 : 63,976.64 = 14,576.09 : x
  2. Step 2: Convert to fraction form
    42,663.54/63,976.64 = 14,576.09/x
  3. Step 3: Cross multiply
    42,663.54x = 63,976.64 × 14,576.09
  4. Step 4: Simplify right side
    42,663.54x = 932,528,869.77
  5. Step 5: Solve for x
    x = 932,528,869.77/42,663.54
  6. Step 6: Final answer
    x = 21,857.75

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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.