Home / 42,574.62-63,842.73-12,996.06

Finding the Fourth Proportional to 42,574.62, 63,842.73 and 12,996.06

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Solution

The fourth proportional to 42,574.62, 63,842.73 and 12,996.06 is: 19,488.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,574.62 : 63,842.73 = 12,996.06 : x
  2. Step 2: Convert to fraction form
    42,574.62/63,842.73 = 12,996.06/x
  3. Step 3: Cross multiply
    42,574.62x = 63,842.73 × 12,996.06
  4. Step 4: Simplify right side
    42,574.62x = 829,703,949.64
  5. Step 5: Solve for x
    x = 829,703,949.64/42,574.62
  6. Step 6: Final answer
    x = 19,488.23

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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.