Home / 13,829.84-20,686.44-11,035.34

Finding the Fourth Proportional to 13,829.84, 20,686.44 and 11,035.34

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Solution

The fourth proportional to 13,829.84, 20,686.44 and 11,035.34 is: 16,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.84 : 20,686.44 = 11,035.34 : x
  2. Step 2: Convert to fraction form
    13,829.84/20,686.44 = 11,035.34/x
  3. Step 3: Cross multiply
    13,829.84x = 20,686.44 × 11,035.34
  4. Step 4: Simplify right side
    13,829.84x = 228,281,898.79
  5. Step 5: Solve for x
    x = 228,281,898.79/13,829.84
  6. Step 6: Final answer
    x = 16,506.47

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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.