Home / 17,891.20-24,688.64-9,933.40

Finding the Fourth Proportional to 17,891.20, 24,688.64 and 9,933.40

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Solution

The fourth proportional to 17,891.20, 24,688.64 and 9,933.40 is: 13,707.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891.20 : 24,688.64 = 9,933.40 : x
  2. Step 2: Convert to fraction form
    17,891.20/24,688.64 = 9,933.40/x
  3. Step 3: Cross multiply
    17,891.20x = 24,688.64 × 9,933.40
  4. Step 4: Simplify right side
    17,891.20x = 245,242,136.58
  5. Step 5: Solve for x
    x = 245,242,136.58/17,891.20
  6. Step 6: Final answer
    x = 13,707.42

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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.