Home / 19,662.86-29,499.33-6,518.90

Finding the Fourth Proportional to 19,662.86, 29,499.33 and 6,518.90

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Solution

The fourth proportional to 19,662.86, 29,499.33 and 6,518.90 is: 9,780.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662.86 : 29,499.33 = 6,518.90 : x
  2. Step 2: Convert to fraction form
    19,662.86/29,499.33 = 6,518.90/x
  3. Step 3: Cross multiply
    19,662.86x = 29,499.33 × 6,518.90
  4. Step 4: Simplify right side
    19,662.86x = 192,303,182.34
  5. Step 5: Solve for x
    x = 192,303,182.34/19,662.86
  6. Step 6: Final answer
    x = 9,780.02

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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.