Home / 42,174.39-63,261.60-11,009.64

Finding the Fourth Proportional to 42,174.39, 63,261.60 and 11,009.64

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Solution

The fourth proportional to 42,174.39, 63,261.60 and 11,009.64 is: 16,514.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,174.39 : 63,261.60 = 11,009.64 : x
  2. Step 2: Convert to fraction form
    42,174.39/63,261.60 = 11,009.64/x
  3. Step 3: Cross multiply
    42,174.39x = 63,261.60 × 11,009.64
  4. Step 4: Simplify right side
    42,174.39x = 696,487,386.78
  5. Step 5: Solve for x
    x = 696,487,386.78/42,174.39
  6. Step 6: Final answer
    x = 16,514.46

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.