Home / 21,611.06-32,429.43-9,299.06

Finding the Fourth Proportional to 21,611.06, 32,429.43 and 9,299.06

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Solution

The fourth proportional to 21,611.06, 32,429.43 and 9,299.06 is: 13,954.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,611.06 : 32,429.43 = 9,299.06 : x
  2. Step 2: Convert to fraction form
    21,611.06/32,429.43 = 9,299.06/x
  3. Step 3: Cross multiply
    21,611.06x = 32,429.43 × 9,299.06
  4. Step 4: Simplify right side
    21,611.06x = 301,563,215.34
  5. Step 5: Solve for x
    x = 301,563,215.34/21,611.06
  6. Step 6: Final answer
    x = 13,954.11

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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.