Home / 18,425.69-25,427.46-10,042.19

Finding the Fourth Proportional to 18,425.69, 25,427.46 and 10,042.19

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Solution

The fourth proportional to 18,425.69, 25,427.46 and 10,042.19 is: 13,858.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,425.69 : 25,427.46 = 10,042.19 : x
  2. Step 2: Convert to fraction form
    18,425.69/25,427.46 = 10,042.19/x
  3. Step 3: Cross multiply
    18,425.69x = 25,427.46 × 10,042.19
  4. Step 4: Simplify right side
    18,425.69x = 255,347,384.54
  5. Step 5: Solve for x
    x = 255,347,384.54/18,425.69
  6. Step 6: Final answer
    x = 13,858.23

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Half scale
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Double scale
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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.