Home / 17,618.64-24,313.72-9,660.70

Finding the Fourth Proportional to 17,618.64, 24,313.72 and 9,660.70

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Solution

The fourth proportional to 17,618.64, 24,313.72 and 9,660.70 is: 13,331.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.64 : 24,313.72 = 9,660.70 : x
  2. Step 2: Convert to fraction form
    17,618.64/24,313.72 = 9,660.70/x
  3. Step 3: Cross multiply
    17,618.64x = 24,313.72 × 9,660.70
  4. Step 4: Simplify right side
    17,618.64x = 234,887,554.80
  5. Step 5: Solve for x
    x = 234,887,554.80/17,618.64
  6. Step 6: Final answer
    x = 13,331.76

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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.