Home / 22,964.31-34,417.10-19,990.60

Finding the Fourth Proportional to 22,964.31, 34,417.10 and 19,990.60

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Solution

The fourth proportional to 22,964.31, 34,417.10 and 19,990.60 is: 29,960.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,964.31 : 34,417.10 = 19,990.60 : x
  2. Step 2: Convert to fraction form
    22,964.31/34,417.10 = 19,990.60/x
  3. Step 3: Cross multiply
    22,964.31x = 34,417.10 × 19,990.60
  4. Step 4: Simplify right side
    22,964.31x = 688,018,443.19
  5. Step 5: Solve for x
    x = 688,018,443.19/22,964.31
  6. Step 6: Final answer
    x = 29,960.34

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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.