Home / 18,242.77-25,163.03-12,577.76

Finding the Fourth Proportional to 18,242.77, 25,163.03 and 12,577.76

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Solution

The fourth proportional to 18,242.77, 25,163.03 and 12,577.76 is: 17,349.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242.77 : 25,163.03 = 12,577.76 : x
  2. Step 2: Convert to fraction form
    18,242.77/25,163.03 = 12,577.76/x
  3. Step 3: Cross multiply
    18,242.77x = 25,163.03 × 12,577.76
  4. Step 4: Simplify right side
    18,242.77x = 316,494,446.06
  5. Step 5: Solve for x
    x = 316,494,446.06/18,242.77
  6. Step 6: Final answer
    x = 17,349.04

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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.