Home / 19,957.02-29,954.36-10,103.36

Finding the Fourth Proportional to 19,957.02, 29,954.36 and 10,103.36

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Solution

The fourth proportional to 19,957.02, 29,954.36 and 10,103.36 is: 15,164.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.02 : 29,954.36 = 10,103.36 : x
  2. Step 2: Convert to fraction form
    19,957.02/29,954.36 = 10,103.36/x
  3. Step 3: Cross multiply
    19,957.02x = 29,954.36 × 10,103.36
  4. Step 4: Simplify right side
    19,957.02x = 302,639,682.65
  5. Step 5: Solve for x
    x = 302,639,682.65/19,957.02
  6. Step 6: Final answer
    x = 15,164.57

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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.