Home / 25,281.75-34,889.90-14,103.75

Finding the Fourth Proportional to 25,281.75, 34,889.90 and 14,103.75

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Solution

The fourth proportional to 25,281.75, 34,889.90 and 14,103.75 is: 19,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281.75 : 34,889.90 = 14,103.75 : x
  2. Step 2: Convert to fraction form
    25,281.75/34,889.90 = 14,103.75/x
  3. Step 3: Cross multiply
    25,281.75x = 34,889.90 × 14,103.75
  4. Step 4: Simplify right side
    25,281.75x = 492,078,427.13
  5. Step 5: Solve for x
    x = 492,078,427.13/25,281.75
  6. Step 6: Final answer
    x = 19,463.78

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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.