Home / 25,725.65-35,490.12-15,110.49

Finding the Fourth Proportional to 25,725.65, 35,490.12 and 15,110.49

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Solution

The fourth proportional to 25,725.65, 35,490.12 and 15,110.49 is: 20,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,725.65 : 35,490.12 = 15,110.49 : x
  2. Step 2: Convert to fraction form
    25,725.65/35,490.12 = 15,110.49/x
  3. Step 3: Cross multiply
    25,725.65x = 35,490.12 × 15,110.49
  4. Step 4: Simplify right side
    25,725.65x = 536,273,103.36
  5. Step 5: Solve for x
    x = 536,273,103.36/25,725.65
  6. Step 6: Final answer
    x = 20,845.86

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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.