Home / 16,724.90-23,080.59-9,171.11

Finding the Fourth Proportional to 16,724.90, 23,080.59 and 9,171.11

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Solution

The fourth proportional to 16,724.90, 23,080.59 and 9,171.11 is: 12,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,724.90 : 23,080.59 = 9,171.11 : x
  2. Step 2: Convert to fraction form
    16,724.90/23,080.59 = 9,171.11/x
  3. Step 3: Cross multiply
    16,724.90x = 23,080.59 × 9,171.11
  4. Step 4: Simplify right side
    16,724.90x = 211,674,514.35
  5. Step 5: Solve for x
    x = 211,674,514.35/16,724.90
  6. Step 6: Final answer
    x = 12,656.25

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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.