Home / 16,731.23-23,089.38-9,178.25

Finding the Fourth Proportional to 16,731.23, 23,089.38 and 9,178.25

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Solution

The fourth proportional to 16,731.23, 23,089.38 and 9,178.25 is: 12,666.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,731.23 : 23,089.38 = 9,178.25 : x
  2. Step 2: Convert to fraction form
    16,731.23/23,089.38 = 9,178.25/x
  3. Step 3: Cross multiply
    16,731.23x = 23,089.38 × 9,178.25
  4. Step 4: Simplify right side
    16,731.23x = 211,920,101.99
  5. Step 5: Solve for x
    x = 211,920,101.99/16,731.23
  6. Step 6: Final answer
    x = 12,666.14

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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.