Home / 42,583.04-63,876.96-13,005.44

Finding the Fourth Proportional to 42,583.04, 63,876.96 and 13,005.44

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Solution

The fourth proportional to 42,583.04, 63,876.96 and 13,005.44 is: 19,508.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,583.04 : 63,876.96 = 13,005.44 : x
  2. Step 2: Convert to fraction form
    42,583.04/63,876.96 = 13,005.44/x
  3. Step 3: Cross multiply
    42,583.04x = 63,876.96 × 13,005.44
  4. Step 4: Simplify right side
    42,583.04x = 830,747,970.66
  5. Step 5: Solve for x
    x = 830,747,970.66/42,583.04
  6. Step 6: Final answer
    x = 19,508.89

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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.