Home / 13,884.84-20,835.54-5,566.68

Finding the Fourth Proportional to 13,884.84, 20,835.54 and 5,566.68

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Solution

The fourth proportional to 13,884.84, 20,835.54 and 5,566.68 is: 8,353.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884.84 : 20,835.54 = 5,566.68 : x
  2. Step 2: Convert to fraction form
    13,884.84/20,835.54 = 5,566.68/x
  3. Step 3: Cross multiply
    13,884.84x = 20,835.54 × 5,566.68
  4. Step 4: Simplify right side
    13,884.84x = 115,984,783.81
  5. Step 5: Solve for x
    x = 115,984,783.81/13,884.84
  6. Step 6: Final answer
    x = 8,353.34

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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.