Home / 15,769.14-21,761.80-9,056.06

Finding the Fourth Proportional to 15,769.14, 21,761.80 and 9,056.06

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Solution

The fourth proportional to 15,769.14, 21,761.80 and 9,056.06 is: 12,497.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,769.14 : 21,761.80 = 9,056.06 : x
  2. Step 2: Convert to fraction form
    15,769.14/21,761.80 = 9,056.06/x
  3. Step 3: Cross multiply
    15,769.14x = 21,761.80 × 9,056.06
  4. Step 4: Simplify right side
    15,769.14x = 197,076,166.51
  5. Step 5: Solve for x
    x = 197,076,166.51/15,769.14
  6. Step 6: Final answer
    x = 12,497.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.