Home / 18,533.12-25,575.96-10,149.68

Finding the Fourth Proportional to 18,533.12, 25,575.96 and 10,149.68

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Solution

The fourth proportional to 18,533.12, 25,575.96 and 10,149.68 is: 14,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,533.12 : 25,575.96 = 10,149.68 : x
  2. Step 2: Convert to fraction form
    18,533.12/25,575.96 = 10,149.68/x
  3. Step 3: Cross multiply
    18,533.12x = 25,575.96 × 10,149.68
  4. Step 4: Simplify right side
    18,533.12x = 259,587,809.69
  5. Step 5: Solve for x
    x = 259,587,809.69/18,533.12
  6. Step 6: Final answer
    x = 14,006.70

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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.