Home / 25,964.80-38,966.40-10,393.60

Finding the Fourth Proportional to 25,964.80, 38,966.40 and 10,393.60

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Solution

The fourth proportional to 25,964.80, 38,966.40 and 10,393.60 is: 15,598.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,964.80 : 38,966.40 = 10,393.60 : x
  2. Step 2: Convert to fraction form
    25,964.80/38,966.40 = 10,393.60/x
  3. Step 3: Cross multiply
    25,964.80x = 38,966.40 × 10,393.60
  4. Step 4: Simplify right side
    25,964.80x = 405,001,175.04
  5. Step 5: Solve for x
    x = 405,001,175.04/25,964.80
  6. Step 6: Final answer
    x = 15,598.09

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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.