Home / 13,712.41-20,554.76-5,398.26

Finding the Fourth Proportional to 13,712.41, 20,554.76 and 5,398.26

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Solution

The fourth proportional to 13,712.41, 20,554.76 and 5,398.26 is: 8,091.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.41 : 20,554.76 = 5,398.26 : x
  2. Step 2: Convert to fraction form
    13,712.41/20,554.76 = 5,398.26/x
  3. Step 3: Cross multiply
    13,712.41x = 20,554.76 × 5,398.26
  4. Step 4: Simplify right side
    13,712.41x = 110,959,913.67
  5. Step 5: Solve for x
    x = 110,959,913.67/13,712.41
  6. Step 6: Final answer
    x = 8,091.94

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1.5x scale

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.