Home / 18,573.48-25,631.10-10,189.80

Finding the Fourth Proportional to 18,573.48, 25,631.10 and 10,189.80

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Solution

The fourth proportional to 18,573.48, 25,631.10 and 10,189.80 is: 14,061.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.48 : 25,631.10 = 10,189.80 : x
  2. Step 2: Convert to fraction form
    18,573.48/25,631.10 = 10,189.80/x
  3. Step 3: Cross multiply
    18,573.48x = 25,631.10 × 10,189.80
  4. Step 4: Simplify right side
    18,573.48x = 261,175,782.78
  5. Step 5: Solve for x
    x = 261,175,782.78/18,573.48
  6. Step 6: Final answer
    x = 14,061.76

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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.