Home / 14,429.20-21,627.60-6,107.80

Finding the Fourth Proportional to 14,429.20, 21,627.60 and 6,107.80

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Solution

The fourth proportional to 14,429.20, 21,627.60 and 6,107.80 is: 9,154.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.20 : 21,627.60 = 6,107.80 : x
  2. Step 2: Convert to fraction form
    14,429.20/21,627.60 = 6,107.80/x
  3. Step 3: Cross multiply
    14,429.20x = 21,627.60 × 6,107.80
  4. Step 4: Simplify right side
    14,429.20x = 132,097,055.28
  5. Step 5: Solve for x
    x = 132,097,055.28/14,429.20
  6. Step 6: Final answer
    x = 9,154.84

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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.