Home / 16,666.16-22,998.90-9,112.54

Finding the Fourth Proportional to 16,666.16, 22,998.90 and 9,112.54

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Solution

The fourth proportional to 16,666.16, 22,998.90 and 9,112.54 is: 12,575.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,666.16 : 22,998.90 = 9,112.54 : x
  2. Step 2: Convert to fraction form
    16,666.16/22,998.90 = 9,112.54/x
  3. Step 3: Cross multiply
    16,666.16x = 22,998.90 × 9,112.54
  4. Step 4: Simplify right side
    16,666.16x = 209,578,396.21
  5. Step 5: Solve for x
    x = 209,578,396.21/16,666.16
  6. Step 6: Final answer
    x = 12,575.09

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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.