Home / 13,564.34-20,347.76-4,204.43

Finding the Fourth Proportional to 13,564.34, 20,347.76 and 4,204.43

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Solution

The fourth proportional to 13,564.34, 20,347.76 and 4,204.43 is: 6,307.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564.34 : 20,347.76 = 4,204.43 : x
  2. Step 2: Convert to fraction form
    13,564.34/20,347.76 = 4,204.43/x
  3. Step 3: Cross multiply
    13,564.34x = 20,347.76 × 4,204.43
  4. Step 4: Simplify right side
    13,564.34x = 85,550,641.35
  5. Step 5: Solve for x
    x = 85,550,641.35/13,564.34
  6. Step 6: Final answer
    x = 6,307.03

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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.