Home / 14,835.20-22,252.80-7,805.60

Finding the Fourth Proportional to 14,835.20, 22,252.80 and 7,805.60

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Solution

The fourth proportional to 14,835.20, 22,252.80 and 7,805.60 is: 11,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,835.20 : 22,252.80 = 7,805.60 : x
  2. Step 2: Convert to fraction form
    14,835.20/22,252.80 = 7,805.60/x
  3. Step 3: Cross multiply
    14,835.20x = 22,252.80 × 7,805.60
  4. Step 4: Simplify right side
    14,835.20x = 173,696,455.68
  5. Step 5: Solve for x
    x = 173,696,455.68/14,835.20
  6. Step 6: Final answer
    x = 11,708.40

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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.