Home / 16,775.04-23,150.10-9,221.64

Finding the Fourth Proportional to 16,775.04, 23,150.10 and 9,221.64

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Solution

The fourth proportional to 16,775.04, 23,150.10 and 9,221.64 is: 12,726.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,775.04 : 23,150.10 = 9,221.64 : x
  2. Step 2: Convert to fraction form
    16,775.04/23,150.10 = 9,221.64/x
  3. Step 3: Cross multiply
    16,775.04x = 23,150.10 × 9,221.64
  4. Step 4: Simplify right side
    16,775.04x = 213,481,888.16
  5. Step 5: Solve for x
    x = 213,481,888.16/16,775.04
  6. Step 6: Final answer
    x = 12,726.16

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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.