Home / 21,526.93-32,339-12,767.59

Finding the Fourth Proportional to 21,526.93, 32,339 and 12,767.59

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Solution

The fourth proportional to 21,526.93, 32,339 and 12,767.59 is: 19,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,526.93 : 32,339 = 12,767.59 : x
  2. Step 2: Convert to fraction form
    21,526.93/32,339 = 12,767.59/x
  3. Step 3: Cross multiply
    21,526.93x = 32,339 × 12,767.59
  4. Step 4: Simplify right side
    21,526.93x = 412,891,093.01
  5. Step 5: Solve for x
    x = 412,891,093.01/21,526.93
  6. Step 6: Final answer
    x = 19,180.21

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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.