Home / 13,790.46-20,677.35-5,471.58

Finding the Fourth Proportional to 13,790.46, 20,677.35 and 5,471.58

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Solution

The fourth proportional to 13,790.46, 20,677.35 and 5,471.58 is: 8,204.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790.46 : 20,677.35 = 5,471.58 : x
  2. Step 2: Convert to fraction form
    13,790.46/20,677.35 = 5,471.58/x
  3. Step 3: Cross multiply
    13,790.46x = 20,677.35 × 5,471.58
  4. Step 4: Simplify right side
    13,790.46x = 113,137,774.71
  5. Step 5: Solve for x
    x = 113,137,774.71/13,790.46
  6. Step 6: Final answer
    x = 8,204.06

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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.