Home / 13,480.17-18,597.24-8,173.05

Finding the Fourth Proportional to 13,480.17, 18,597.24 and 8,173.05

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Solution

The fourth proportional to 13,480.17, 18,597.24 and 8,173.05 is: 11,275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480.17 : 18,597.24 = 8,173.05 : x
  2. Step 2: Convert to fraction form
    13,480.17/18,597.24 = 8,173.05/x
  3. Step 3: Cross multiply
    13,480.17x = 18,597.24 × 8,173.05
  4. Step 4: Simplify right side
    13,480.17x = 151,996,172.38
  5. Step 5: Solve for x
    x = 151,996,172.38/13,480.17
  6. Step 6: Final answer
    x = 11,275.54

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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.