Home / 13,502.84-20,260.09-7,255.54

Finding the Fourth Proportional to 13,502.84, 20,260.09 and 7,255.54

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Solution

The fourth proportional to 13,502.84, 20,260.09 and 7,255.54 is: 10,886.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.84 : 20,260.09 = 7,255.54 : x
  2. Step 2: Convert to fraction form
    13,502.84/20,260.09 = 7,255.54/x
  3. Step 3: Cross multiply
    13,502.84x = 20,260.09 × 7,255.54
  4. Step 4: Simplify right side
    13,502.84x = 146,997,927.79
  5. Step 5: Solve for x
    x = 146,997,927.79/13,502.84
  6. Step 6: Final answer
    x = 10,886.45

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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.