Home / 18,560.34-25,471.26-18,429.12

Finding the Fourth Proportional to 18,560.34, 25,471.26 and 18,429.12

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Solution

The fourth proportional to 18,560.34, 25,471.26 and 18,429.12 is: 25,291.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,560.34 : 25,471.26 = 18,429.12 : x
  2. Step 2: Convert to fraction form
    18,560.34/25,471.26 = 18,429.12/x
  3. Step 3: Cross multiply
    18,560.34x = 25,471.26 × 18,429.12
  4. Step 4: Simplify right side
    18,560.34x = 469,412,907.09
  5. Step 5: Solve for x
    x = 469,412,907.09/18,560.34
  6. Step 6: Final answer
    x = 25,291.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.