Home / 16,166.56-22,313.88-9,880.96

Finding the Fourth Proportional to 16,166.56, 22,313.88 and 9,880.96

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Solution

The fourth proportional to 16,166.56, 22,313.88 and 9,880.96 is: 13,638.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,166.56 : 22,313.88 = 9,880.96 : x
  2. Step 2: Convert to fraction form
    16,166.56/22,313.88 = 9,880.96/x
  3. Step 3: Cross multiply
    16,166.56x = 22,313.88 × 9,880.96
  4. Step 4: Simplify right side
    16,166.56x = 220,482,555.72
  5. Step 5: Solve for x
    x = 220,482,555.72/16,166.56
  6. Step 6: Final answer
    x = 13,638.19

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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.