Home / 23,181.62-31,985.97-14,687.06

Finding the Fourth Proportional to 23,181.62, 31,985.97 and 14,687.06

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Solution

The fourth proportional to 23,181.62, 31,985.97 and 14,687.06 is: 20,265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,181.62 : 31,985.97 = 14,687.06 : x
  2. Step 2: Convert to fraction form
    23,181.62/31,985.97 = 14,687.06/x
  3. Step 3: Cross multiply
    23,181.62x = 31,985.97 × 14,687.06
  4. Step 4: Simplify right side
    23,181.62x = 469,779,860.55
  5. Step 5: Solve for x
    x = 469,779,860.55/23,181.62
  6. Step 6: Final answer
    x = 20,265.19

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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.