Home / 18,561.27-25,602.84-11,480.25

Finding the Fourth Proportional to 18,561.27, 25,602.84 and 11,480.25

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Solution

The fourth proportional to 18,561.27, 25,602.84 and 11,480.25 is: 15,835.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561.27 : 25,602.84 = 11,480.25 : x
  2. Step 2: Convert to fraction form
    18,561.27/25,602.84 = 11,480.25/x
  3. Step 3: Cross multiply
    18,561.27x = 25,602.84 × 11,480.25
  4. Step 4: Simplify right side
    18,561.27x = 293,927,003.91
  5. Step 5: Solve for x
    x = 293,927,003.91/18,561.27
  6. Step 6: Final answer
    x = 15,835.50

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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.