Home / 25,097.40-34,633.90-13,919.40

Finding the Fourth Proportional to 25,097.40, 34,633.90 and 13,919.40

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Solution

The fourth proportional to 25,097.40, 34,633.90 and 13,919.40 is: 19,208.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,097.40 : 34,633.90 = 13,919.40 : x
  2. Step 2: Convert to fraction form
    25,097.40/34,633.90 = 13,919.40/x
  3. Step 3: Cross multiply
    25,097.40x = 34,633.90 × 13,919.40
  4. Step 4: Simplify right side
    25,097.40x = 482,083,107.66
  5. Step 5: Solve for x
    x = 482,083,107.66/25,097.40
  6. Step 6: Final answer
    x = 19,208.49

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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.