Home / 20,133.10-27,770.07-16,590.70

Finding the Fourth Proportional to 20,133.10, 27,770.07 and 16,590.70

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Solution

The fourth proportional to 20,133.10, 27,770.07 and 16,590.70 is: 22,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,133.10 : 27,770.07 = 16,590.70 : x
  2. Step 2: Convert to fraction form
    20,133.10/27,770.07 = 16,590.70/x
  3. Step 3: Cross multiply
    20,133.10x = 27,770.07 × 16,590.70
  4. Step 4: Simplify right side
    20,133.10x = 460,724,900.35
  5. Step 5: Solve for x
    x = 460,724,900.35/20,133.10
  6. Step 6: Final answer
    x = 22,883.95

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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.