Home / 16,817.79-23,210.77-10,866.77

Finding the Fourth Proportional to 16,817.79, 23,210.77 and 10,866.77

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Solution

The fourth proportional to 16,817.79, 23,210.77 and 10,866.77 is: 14,997.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,817.79 : 23,210.77 = 10,866.77 : x
  2. Step 2: Convert to fraction form
    16,817.79/23,210.77 = 10,866.77/x
  3. Step 3: Cross multiply
    16,817.79x = 23,210.77 × 10,866.77
  4. Step 4: Simplify right side
    16,817.79x = 252,226,099.11
  5. Step 5: Solve for x
    x = 252,226,099.11/16,817.79
  6. Step 6: Final answer
    x = 14,997.58

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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.