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Finding the Fourth Proportional to 18,460.19, 25,475.00 and 10,076.69

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Solution

The fourth proportional to 18,460.19, 25,475.00 and 10,076.69 is: 13,905.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460.19 : 25,475.00 = 10,076.69 : x
  2. Step 2: Convert to fraction form
    18,460.19/25,475.00 = 10,076.69/x
  3. Step 3: Cross multiply
    18,460.19x = 25,475.00 × 10,076.69
  4. Step 4: Simplify right side
    18,460.19x = 256,703,499.99
  5. Step 5: Solve for x
    x = 256,703,499.99/18,460.19
  6. Step 6: Final answer
    x = 13,905.79

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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.