Home / 13,885.62-20,833.56-6,492.48

Finding the Fourth Proportional to 13,885.62, 20,833.56 and 6,492.48

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Solution

The fourth proportional to 13,885.62, 20,833.56 and 6,492.48 is: 9,741.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885.62 : 20,833.56 = 6,492.48 : x
  2. Step 2: Convert to fraction form
    13,885.62/20,833.56 = 6,492.48/x
  3. Step 3: Cross multiply
    13,885.62x = 20,833.56 × 6,492.48
  4. Step 4: Simplify right side
    13,885.62x = 135,261,471.63
  5. Step 5: Solve for x
    x = 135,261,471.63/13,885.62
  6. Step 6: Final answer
    x = 9,741.12

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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.