Home / 14,880.22-20,534.70-8,166.40

Finding the Fourth Proportional to 14,880.22, 20,534.70 and 8,166.40

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Solution

The fourth proportional to 14,880.22, 20,534.70 and 8,166.40 is: 11,269.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,880.22 : 20,534.70 = 8,166.40 : x
  2. Step 2: Convert to fraction form
    14,880.22/20,534.70 = 8,166.40/x
  3. Step 3: Cross multiply
    14,880.22x = 20,534.70 × 8,166.40
  4. Step 4: Simplify right side
    14,880.22x = 167,694,574.08
  5. Step 5: Solve for x
    x = 167,694,574.08/14,880.22
  6. Step 6: Final answer
    x = 11,269.63

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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.