Home / 18,579.04-25,638.20-10,195.36

Finding the Fourth Proportional to 18,579.04, 25,638.20 and 10,195.36

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Solution

The fourth proportional to 18,579.04, 25,638.20 and 10,195.36 is: 14,069.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.04 : 25,638.20 = 10,195.36 : x
  2. Step 2: Convert to fraction form
    18,579.04/25,638.20 = 10,195.36/x
  3. Step 3: Cross multiply
    18,579.04x = 25,638.20 × 10,195.36
  4. Step 4: Simplify right side
    18,579.04x = 261,390,678.75
  5. Step 5: Solve for x
    x = 261,390,678.75/18,579.04
  6. Step 6: Final answer
    x = 14,069.12

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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.