Home / 18,412.49-25,409.41-10,454.88

Finding the Fourth Proportional to 18,412.49, 25,409.41 and 10,454.88

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Solution

The fourth proportional to 18,412.49, 25,409.41 and 10,454.88 is: 14,427.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,412.49 : 25,409.41 = 10,454.88 : x
  2. Step 2: Convert to fraction form
    18,412.49/25,409.41 = 10,454.88/x
  3. Step 3: Cross multiply
    18,412.49x = 25,409.41 × 10,454.88
  4. Step 4: Simplify right side
    18,412.49x = 265,652,401.57
  5. Step 5: Solve for x
    x = 265,652,401.57/18,412.49
  6. Step 6: Final answer
    x = 14,427.83

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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.