Home / 14,629.60-20,182.40-9,323.20

Finding the Fourth Proportional to 14,629.60, 20,182.40 and 9,323.20

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Solution

The fourth proportional to 14,629.60, 20,182.40 and 9,323.20 is: 12,861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,629.60 : 20,182.40 = 9,323.20 : x
  2. Step 2: Convert to fraction form
    14,629.60/20,182.40 = 9,323.20/x
  3. Step 3: Cross multiply
    14,629.60x = 20,182.40 × 9,323.20
  4. Step 4: Simplify right side
    14,629.60x = 188,164,551.68
  5. Step 5: Solve for x
    x = 188,164,551.68/14,629.60
  6. Step 6: Final answer
    x = 12,861.91

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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.