Home / 17,799.64-24,561.35-9,840.78

Finding the Fourth Proportional to 17,799.64, 24,561.35 and 9,840.78

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Solution

The fourth proportional to 17,799.64, 24,561.35 and 9,840.78 is: 13,579.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,799.64 : 24,561.35 = 9,840.78 : x
  2. Step 2: Convert to fraction form
    17,799.64/24,561.35 = 9,840.78/x
  3. Step 3: Cross multiply
    17,799.64x = 24,561.35 × 9,840.78
  4. Step 4: Simplify right side
    17,799.64x = 241,702,841.85
  5. Step 5: Solve for x
    x = 241,702,841.85/17,799.64
  6. Step 6: Final answer
    x = 13,579.09

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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.