Home / 14,933.87-20,605.43-8,642.60

Finding the Fourth Proportional to 14,933.87, 20,605.43 and 8,642.60

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Solution

The fourth proportional to 14,933.87, 20,605.43 and 8,642.60 is: 11,924.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,933.87 : 20,605.43 = 8,642.60 : x
  2. Step 2: Convert to fraction form
    14,933.87/20,605.43 = 8,642.60/x
  3. Step 3: Cross multiply
    14,933.87x = 20,605.43 × 8,642.60
  4. Step 4: Simplify right side
    14,933.87x = 178,084,543.12
  5. Step 5: Solve for x
    x = 178,084,543.12/14,933.87
  6. Step 6: Final answer
    x = 11,924.87

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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.