Home / 19,971.16-29,946.31-5,929.25

Finding the Fourth Proportional to 19,971.16, 29,946.31 and 5,929.25

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Solution

The fourth proportional to 19,971.16, 29,946.31 and 5,929.25 is: 8,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.16 : 29,946.31 = 5,929.25 : x
  2. Step 2: Convert to fraction form
    19,971.16/29,946.31 = 5,929.25/x
  3. Step 3: Cross multiply
    19,971.16x = 29,946.31 × 5,929.25
  4. Step 4: Simplify right side
    19,971.16x = 177,559,162.46
  5. Step 5: Solve for x
    x = 177,559,162.46/19,971.16
  6. Step 6: Final answer
    x = 8,890.78

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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.