Home / 17,621.12-24,317.17-9,663.40

Finding the Fourth Proportional to 17,621.12, 24,317.17 and 9,663.40

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Solution

The fourth proportional to 17,621.12, 24,317.17 and 9,663.40 is: 13,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,621.12 : 24,317.17 = 9,663.40 : x
  2. Step 2: Convert to fraction form
    17,621.12/24,317.17 = 9,663.40/x
  3. Step 3: Cross multiply
    17,621.12x = 24,317.17 × 9,663.40
  4. Step 4: Simplify right side
    17,621.12x = 234,986,418.99
  5. Step 5: Solve for x
    x = 234,986,418.99/17,621.12
  6. Step 6: Final answer
    x = 13,335.50

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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.