Home / 25,246.10-34,838.04-13,915.69

Finding the Fourth Proportional to 25,246.10, 34,838.04 and 13,915.69

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Solution

The fourth proportional to 25,246.10, 34,838.04 and 13,915.69 is: 19,202.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,246.10 : 34,838.04 = 13,915.69 : x
  2. Step 2: Convert to fraction form
    25,246.10/34,838.04 = 13,915.69/x
  3. Step 3: Cross multiply
    25,246.10x = 34,838.04 × 13,915.69
  4. Step 4: Simplify right side
    25,246.10x = 484,795,329.94
  5. Step 5: Solve for x
    x = 484,795,329.94/25,246.10
  6. Step 6: Final answer
    x = 19,202.78

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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.