Home / 21,931.07-32,898.68-6,136.11

Finding the Fourth Proportional to 21,931.07, 32,898.68 and 6,136.11

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Solution

The fourth proportional to 21,931.07, 32,898.68 and 6,136.11 is: 9,204.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,931.07 : 32,898.68 = 6,136.11 : x
  2. Step 2: Convert to fraction form
    21,931.07/32,898.68 = 6,136.11/x
  3. Step 3: Cross multiply
    21,931.07x = 32,898.68 × 6,136.11
  4. Step 4: Simplify right side
    21,931.07x = 201,869,919.33
  5. Step 5: Solve for x
    x = 201,869,919.33/21,931.07
  6. Step 6: Final answer
    x = 9,204.75

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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.