Home / 17,621.12-24,317.76-9,663.36

Finding the Fourth Proportional to 17,621.12, 24,317.76 and 9,663.36

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Solution

The fourth proportional to 17,621.12, 24,317.76 and 9,663.36 is: 13,335.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,621.12 : 24,317.76 = 9,663.36 : x
  2. Step 2: Convert to fraction form
    17,621.12/24,317.76 = 9,663.36/x
  3. Step 3: Cross multiply
    17,621.12x = 24,317.76 × 9,663.36
  4. Step 4: Simplify right side
    17,621.12x = 234,991,269.27
  5. Step 5: Solve for x
    x = 234,991,269.27/17,621.12
  6. Step 6: Final answer
    x = 13,335.77

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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.