Home / 25,101.12-34,639.58-13,923.12

Finding the Fourth Proportional to 25,101.12, 34,639.58 and 13,923.12

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Solution

The fourth proportional to 25,101.12, 34,639.58 and 13,923.12 is: 19,213.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,101.12 : 34,639.58 = 13,923.12 : x
  2. Step 2: Convert to fraction form
    25,101.12/34,639.58 = 13,923.12/x
  3. Step 3: Cross multiply
    25,101.12x = 34,639.58 × 13,923.12
  4. Step 4: Simplify right side
    25,101.12x = 482,291,029.09
  5. Step 5: Solve for x
    x = 482,291,029.09/25,101.12
  6. Step 6: Final answer
    x = 19,213.92

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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.