Home / 18,957.06-28,435.77-7,267.50

Finding the Fourth Proportional to 18,957.06, 28,435.77 and 7,267.50

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Solution

The fourth proportional to 18,957.06, 28,435.77 and 7,267.50 is: 10,901.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,957.06 : 28,435.77 = 7,267.50 : x
  2. Step 2: Convert to fraction form
    18,957.06/28,435.77 = 7,267.50/x
  3. Step 3: Cross multiply
    18,957.06x = 28,435.77 × 7,267.50
  4. Step 4: Simplify right side
    18,957.06x = 206,656,958.48
  5. Step 5: Solve for x
    x = 206,656,958.48/18,957.06
  6. Step 6: Final answer
    x = 10,901.32

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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.