Home / 21,595.05-29,790.98-12,637.01

Finding the Fourth Proportional to 21,595.05, 29,790.98 and 12,637.01

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Solution

The fourth proportional to 21,595.05, 29,790.98 and 12,637.01 is: 17,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595.05 : 29,790.98 = 12,637.01 : x
  2. Step 2: Convert to fraction form
    21,595.05/29,790.98 = 12,637.01/x
  3. Step 3: Cross multiply
    21,595.05x = 29,790.98 × 12,637.01
  4. Step 4: Simplify right side
    21,595.05x = 376,468,906.52
  5. Step 5: Solve for x
    x = 376,468,906.52/21,595.05
  6. Step 6: Final answer
    x = 17,433.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.