Home / 25,298.94-34,911.27-14,118.78

Finding the Fourth Proportional to 25,298.94, 34,911.27 and 14,118.78

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Solution

The fourth proportional to 25,298.94, 34,911.27 and 14,118.78 is: 19,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,298.94 : 34,911.27 = 14,118.78 : x
  2. Step 2: Convert to fraction form
    25,298.94/34,911.27 = 14,118.78/x
  3. Step 3: Cross multiply
    25,298.94x = 34,911.27 × 14,118.78
  4. Step 4: Simplify right side
    25,298.94x = 492,904,540.65
  5. Step 5: Solve for x
    x = 492,904,540.65/25,298.94
  6. Step 6: Final answer
    x = 19,483.21

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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.