Home / 16,855.56-23,260.65-9,782.64

Finding the Fourth Proportional to 16,855.56, 23,260.65 and 9,782.64

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Solution

The fourth proportional to 16,855.56, 23,260.65 and 9,782.64 is: 13,500.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.56 : 23,260.65 = 9,782.64 : x
  2. Step 2: Convert to fraction form
    16,855.56/23,260.65 = 9,782.64/x
  3. Step 3: Cross multiply
    16,855.56x = 23,260.65 × 9,782.64
  4. Step 4: Simplify right side
    16,855.56x = 227,550,565.12
  5. Step 5: Solve for x
    x = 227,550,565.12/16,855.56
  6. Step 6: Final answer
    x = 13,500.03

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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.