Home / 21,606.84-32,382.57-16,666.11

Finding the Fourth Proportional to 21,606.84, 32,382.57 and 16,666.11

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Solution

The fourth proportional to 21,606.84, 32,382.57 and 16,666.11 is: 24,977.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606.84 : 32,382.57 = 16,666.11 : x
  2. Step 2: Convert to fraction form
    21,606.84/32,382.57 = 16,666.11/x
  3. Step 3: Cross multiply
    21,606.84x = 32,382.57 × 16,666.11
  4. Step 4: Simplify right side
    21,606.84x = 539,691,473.70
  5. Step 5: Solve for x
    x = 539,691,473.70/21,606.84
  6. Step 6: Final answer
    x = 24,977.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.