Home / 25,391.17-35,043.48-14,786.65

Finding the Fourth Proportional to 25,391.17, 35,043.48 and 14,786.65

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Solution

The fourth proportional to 25,391.17, 35,043.48 and 14,786.65 is: 20,407.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,391.17 : 35,043.48 = 14,786.65 : x
  2. Step 2: Convert to fraction form
    25,391.17/35,043.48 = 14,786.65/x
  3. Step 3: Cross multiply
    25,391.17x = 35,043.48 × 14,786.65
  4. Step 4: Simplify right side
    25,391.17x = 518,175,673.54
  5. Step 5: Solve for x
    x = 518,175,673.54/25,391.17
  6. Step 6: Final answer
    x = 20,407.71

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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.