Home / 18,682.52-25,780.86-10,298.36

Finding the Fourth Proportional to 18,682.52, 25,780.86 and 10,298.36

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Solution

The fourth proportional to 18,682.52, 25,780.86 and 10,298.36 is: 14,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682.52 : 25,780.86 = 10,298.36 : x
  2. Step 2: Convert to fraction form
    18,682.52/25,780.86 = 10,298.36/x
  3. Step 3: Cross multiply
    18,682.52x = 25,780.86 × 10,298.36
  4. Step 4: Simplify right side
    18,682.52x = 265,500,577.39
  5. Step 5: Solve for x
    x = 265,500,577.39/18,682.52
  6. Step 6: Final answer
    x = 14,211.18

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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.