Home / 16,996.83-23,459-10,860.61

Finding the Fourth Proportional to 16,996.83, 23,459 and 10,860.61

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Solution

The fourth proportional to 16,996.83, 23,459 and 10,860.61 is: 14,989.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,996.83 : 23,459 = 10,860.61 : x
  2. Step 2: Convert to fraction form
    16,996.83/23,459 = 10,860.61/x
  3. Step 3: Cross multiply
    16,996.83x = 23,459 × 10,860.61
  4. Step 4: Simplify right side
    16,996.83x = 254,779,049.99
  5. Step 5: Solve for x
    x = 254,779,049.99/16,996.83
  6. Step 6: Final answer
    x = 14,989.80

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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.