Home / 21,651.17-32,480.70-7,606.98

Finding the Fourth Proportional to 21,651.17, 32,480.70 and 7,606.98

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Solution

The fourth proportional to 21,651.17, 32,480.70 and 7,606.98 is: 11,411.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,651.17 : 32,480.70 = 7,606.98 : x
  2. Step 2: Convert to fraction form
    21,651.17/32,480.70 = 7,606.98/x
  3. Step 3: Cross multiply
    21,651.17x = 32,480.70 × 7,606.98
  4. Step 4: Simplify right side
    21,651.17x = 247,080,006.76
  5. Step 5: Solve for x
    x = 247,080,006.76/21,651.17
  6. Step 6: Final answer
    x = 11,411.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.