Home / 16,406.87-22,666.20-10,755.05

Finding the Fourth Proportional to 16,406.87, 22,666.20 and 10,755.05

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Solution

The fourth proportional to 16,406.87, 22,666.20 and 10,755.05 is: 14,858.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,406.87 : 22,666.20 = 10,755.05 : x
  2. Step 2: Convert to fraction form
    16,406.87/22,666.20 = 10,755.05/x
  3. Step 3: Cross multiply
    16,406.87x = 22,666.20 × 10,755.05
  4. Step 4: Simplify right side
    16,406.87x = 243,776,114.31
  5. Step 5: Solve for x
    x = 243,776,114.31/16,406.87
  6. Step 6: Final answer
    x = 14,858.17

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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.