Home / 20,590.60-30,842.70-16,187.08

Finding the Fourth Proportional to 20,590.60, 30,842.70 and 16,187.08

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Solution

The fourth proportional to 20,590.60, 30,842.70 and 16,187.08 is: 24,246.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,590.60 : 30,842.70 = 16,187.08 : x
  2. Step 2: Convert to fraction form
    20,590.60/30,842.70 = 16,187.08/x
  3. Step 3: Cross multiply
    20,590.60x = 30,842.70 × 16,187.08
  4. Step 4: Simplify right side
    20,590.60x = 499,253,252.32
  5. Step 5: Solve for x
    x = 499,253,252.32/20,590.60
  6. Step 6: Final answer
    x = 24,246.66

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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.