Home / 17,621.40-24,317.52-9,663.76

Finding the Fourth Proportional to 17,621.40, 24,317.52 and 9,663.76

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Solution

The fourth proportional to 17,621.40, 24,317.52 and 9,663.76 is: 13,335.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,621.40 : 24,317.52 = 9,663.76 : x
  2. Step 2: Convert to fraction form
    17,621.40/24,317.52 = 9,663.76/x
  3. Step 3: Cross multiply
    17,621.40x = 24,317.52 × 9,663.76
  4. Step 4: Simplify right side
    17,621.40x = 234,998,677.08
  5. Step 5: Solve for x
    x = 234,998,677.08/17,621.40
  6. Step 6: Final answer
    x = 13,335.98

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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.