Home / 18,429.26-25,431.41-10,470.38

Finding the Fourth Proportional to 18,429.26, 25,431.41 and 10,470.38

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Solution

The fourth proportional to 18,429.26, 25,431.41 and 10,470.38 is: 14,448.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.26 : 25,431.41 = 10,470.38 : x
  2. Step 2: Convert to fraction form
    18,429.26/25,431.41 = 10,470.38/x
  3. Step 3: Cross multiply
    18,429.26x = 25,431.41 × 10,470.38
  4. Step 4: Simplify right side
    18,429.26x = 266,276,425.65
  5. Step 5: Solve for x
    x = 266,276,425.65/18,429.26
  6. Step 6: Final answer
    x = 14,448.57

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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.