Home / 21,675.04-29,936.24-14,589.16

Finding the Fourth Proportional to 21,675.04, 29,936.24 and 14,589.16

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Solution

The fourth proportional to 21,675.04, 29,936.24 and 14,589.16 is: 20,149.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,675.04 : 29,936.24 = 14,589.16 : x
  2. Step 2: Convert to fraction form
    21,675.04/29,936.24 = 14,589.16/x
  3. Step 3: Cross multiply
    21,675.04x = 29,936.24 × 14,589.16
  4. Step 4: Simplify right side
    21,675.04x = 436,744,595.16
  5. Step 5: Solve for x
    x = 436,744,595.16/21,675.04
  6. Step 6: Final answer
    x = 20,149.66

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1.5x scale

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.