Home / 21,574.17-32,361.26-6,784.38

Finding the Fourth Proportional to 21,574.17, 32,361.26 and 6,784.38

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Solution

The fourth proportional to 21,574.17, 32,361.26 and 6,784.38 is: 10,176.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,574.17 : 32,361.26 = 6,784.38 : x
  2. Step 2: Convert to fraction form
    21,574.17/32,361.26 = 6,784.38/x
  3. Step 3: Cross multiply
    21,574.17x = 32,361.26 × 6,784.38
  4. Step 4: Simplify right side
    21,574.17x = 219,551,051.20
  5. Step 5: Solve for x
    x = 219,551,051.20/21,574.17
  6. Step 6: Final answer
    x = 10,176.57

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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.