Home / 16,767.42-23,109.75-12,281.64

Finding the Fourth Proportional to 16,767.42, 23,109.75 and 12,281.64

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Solution

The fourth proportional to 16,767.42, 23,109.75 and 12,281.64 is: 16,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,767.42 : 23,109.75 = 12,281.64 : x
  2. Step 2: Convert to fraction form
    16,767.42/23,109.75 = 12,281.64/x
  3. Step 3: Cross multiply
    16,767.42x = 23,109.75 × 12,281.64
  4. Step 4: Simplify right side
    16,767.42x = 283,825,629.99
  5. Step 5: Solve for x
    x = 283,825,629.99/16,767.42
  6. Step 6: Final answer
    x = 16,927.21

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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.