Home / 14,880.41-20,534.90-8,166.15

Finding the Fourth Proportional to 14,880.41, 20,534.90 and 8,166.15

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Solution

The fourth proportional to 14,880.41, 20,534.90 and 8,166.15 is: 11,269.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,880.41 : 20,534.90 = 8,166.15 : x
  2. Step 2: Convert to fraction form
    14,880.41/20,534.90 = 8,166.15/x
  3. Step 3: Cross multiply
    14,880.41x = 20,534.90 × 8,166.15
  4. Step 4: Simplify right side
    14,880.41x = 167,691,022.30
  5. Step 5: Solve for x
    x = 167,691,022.30/14,880.41
  6. Step 6: Final answer
    x = 11,269.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.