Home / 18,953.46-28,435.77-9,101.07

Finding the Fourth Proportional to 18,953.46, 28,435.77 and 9,101.07

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Solution

The fourth proportional to 18,953.46, 28,435.77 and 9,101.07 is: 13,654.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953.46 : 28,435.77 = 9,101.07 : x
  2. Step 2: Convert to fraction form
    18,953.46/28,435.77 = 9,101.07/x
  3. Step 3: Cross multiply
    18,953.46x = 28,435.77 × 9,101.07
  4. Step 4: Simplify right side
    18,953.46x = 258,795,933.27
  5. Step 5: Solve for x
    x = 258,795,933.27/18,953.46
  6. Step 6: Final answer
    x = 13,654.28

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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.