Home / 13,971.42-19,288.53-9,262.08

Finding the Fourth Proportional to 13,971.42, 19,288.53 and 9,262.08

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Solution

The fourth proportional to 13,971.42, 19,288.53 and 9,262.08 is: 12,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.42 : 19,288.53 = 9,262.08 : x
  2. Step 2: Convert to fraction form
    13,971.42/19,288.53 = 9,262.08/x
  3. Step 3: Cross multiply
    13,971.42x = 19,288.53 × 9,262.08
  4. Step 4: Simplify right side
    13,971.42x = 178,651,907.94
  5. Step 5: Solve for x
    x = 178,651,907.94/13,971.42
  6. Step 6: Final answer
    x = 12,786.95

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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.