Home / 18,403.44-25,402.48-10,450.96

Finding the Fourth Proportional to 18,403.44, 25,402.48 and 10,450.96

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Solution

The fourth proportional to 18,403.44, 25,402.48 and 10,450.96 is: 14,425.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.44 : 25,402.48 = 10,450.96 : x
  2. Step 2: Convert to fraction form
    18,403.44/25,402.48 = 10,450.96/x
  3. Step 3: Cross multiply
    18,403.44x = 25,402.48 × 10,450.96
  4. Step 4: Simplify right side
    18,403.44x = 265,480,302.38
  5. Step 5: Solve for x
    x = 265,480,302.38/18,403.44
  6. Step 6: Final answer
    x = 14,425.58

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Half scale
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Double scale
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Similar ratio
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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.