Home / 14,905.80-22,366.80-6,141.60

Finding the Fourth Proportional to 14,905.80, 22,366.80 and 6,141.60

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Solution

The fourth proportional to 14,905.80, 22,366.80 and 6,141.60 is: 9,215.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.80 : 22,366.80 = 6,141.60 : x
  2. Step 2: Convert to fraction form
    14,905.80/22,366.80 = 6,141.60/x
  3. Step 3: Cross multiply
    14,905.80x = 22,366.80 × 6,141.60
  4. Step 4: Simplify right side
    14,905.80x = 137,367,938.88
  5. Step 5: Solve for x
    x = 137,367,938.88/14,905.80
  6. Step 6: Final answer
    x = 9,215.74

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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.