Home / 18,418.86-25,417.26-10,461.06

Finding the Fourth Proportional to 18,418.86, 25,417.26 and 10,461.06

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Solution

The fourth proportional to 18,418.86, 25,417.26 and 10,461.06 is: 14,435.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418.86 : 25,417.26 = 10,461.06 : x
  2. Step 2: Convert to fraction form
    18,418.86/25,417.26 = 10,461.06/x
  3. Step 3: Cross multiply
    18,418.86x = 25,417.26 × 10,461.06
  4. Step 4: Simplify right side
    18,418.86x = 265,891,481.90
  5. Step 5: Solve for x
    x = 265,891,481.90/18,418.86
  6. Step 6: Final answer
    x = 14,435.83

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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.