Home / 18,348.19-25,320.60-10,391.96

Finding the Fourth Proportional to 18,348.19, 25,320.60 and 10,391.96

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Solution

The fourth proportional to 18,348.19, 25,320.60 and 10,391.96 is: 14,340.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.19 : 25,320.60 = 10,391.96 : x
  2. Step 2: Convert to fraction form
    18,348.19/25,320.60 = 10,391.96/x
  3. Step 3: Cross multiply
    18,348.19x = 25,320.60 × 10,391.96
  4. Step 4: Simplify right side
    18,348.19x = 263,130,662.38
  5. Step 5: Solve for x
    x = 263,130,662.38/18,348.19
  6. Step 6: Final answer
    x = 14,340.96

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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.