Home / 15,769.52-21,762.44-9,056.51

Finding the Fourth Proportional to 15,769.52, 21,762.44 and 9,056.51

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Solution

The fourth proportional to 15,769.52, 21,762.44 and 9,056.51 is: 12,498.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,769.52 : 21,762.44 = 9,056.51 : x
  2. Step 2: Convert to fraction form
    15,769.52/21,762.44 = 9,056.51/x
  3. Step 3: Cross multiply
    15,769.52x = 21,762.44 × 9,056.51
  4. Step 4: Simplify right side
    15,769.52x = 197,091,716.96
  5. Step 5: Solve for x
    x = 197,091,716.96/15,769.52
  6. Step 6: Final answer
    x = 12,498.27

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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.