Home / 18,277.36-25,222.74-9,893.86

Finding the Fourth Proportional to 18,277.36, 25,222.74 and 9,893.86

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Solution

The fourth proportional to 18,277.36, 25,222.74 and 9,893.86 is: 13,653.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.36 : 25,222.74 = 9,893.86 : x
  2. Step 2: Convert to fraction form
    18,277.36/25,222.74 = 9,893.86/x
  3. Step 3: Cross multiply
    18,277.36x = 25,222.74 × 9,893.86
  4. Step 4: Simplify right side
    18,277.36x = 249,550,258.38
  5. Step 5: Solve for x
    x = 249,550,258.38/18,277.36
  6. Step 6: Final answer
    x = 13,653.52

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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.