Home / 19,971.34-29,957.02-6,823.84

Finding the Fourth Proportional to 19,971.34, 29,957.02 and 6,823.84

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Solution

The fourth proportional to 19,971.34, 29,957.02 and 6,823.84 is: 10,235.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.34 : 29,957.02 = 6,823.84 : x
  2. Step 2: Convert to fraction form
    19,971.34/29,957.02 = 6,823.84/x
  3. Step 3: Cross multiply
    19,971.34x = 29,957.02 × 6,823.84
  4. Step 4: Simplify right side
    19,971.34x = 204,421,911.36
  5. Step 5: Solve for x
    x = 204,421,911.36/19,971.34
  6. Step 6: Final answer
    x = 10,235.76

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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.