Home / 20,755.70-31,164.90-16,583.32

Finding the Fourth Proportional to 20,755.70, 31,164.90 and 16,583.32

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Solution

The fourth proportional to 20,755.70, 31,164.90 and 16,583.32 is: 24,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,755.70 : 31,164.90 = 16,583.32 : x
  2. Step 2: Convert to fraction form
    20,755.70/31,164.90 = 16,583.32/x
  3. Step 3: Cross multiply
    20,755.70x = 31,164.90 × 16,583.32
  4. Step 4: Simplify right side
    20,755.70x = 516,817,509.47
  5. Step 5: Solve for x
    x = 516,817,509.47/20,755.70
  6. Step 6: Final answer
    x = 24,900.03

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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.