Home / 17,775.66-24,533.40-13,519.88

Finding the Fourth Proportional to 17,775.66, 24,533.40 and 13,519.88

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Solution

The fourth proportional to 17,775.66, 24,533.40 and 13,519.88 is: 18,659.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,775.66 : 24,533.40 = 13,519.88 : x
  2. Step 2: Convert to fraction form
    17,775.66/24,533.40 = 13,519.88/x
  3. Step 3: Cross multiply
    17,775.66x = 24,533.40 × 13,519.88
  4. Step 4: Simplify right side
    17,775.66x = 331,688,623.99
  5. Step 5: Solve for x
    x = 331,688,623.99/17,775.66
  6. Step 6: Final answer
    x = 18,659.71

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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.