Home / 23,687.12-32,686.46-13,615.58

Finding the Fourth Proportional to 23,687.12, 32,686.46 and 13,615.58

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Solution

The fourth proportional to 23,687.12, 32,686.46 and 13,615.58 is: 18,788.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,687.12 : 32,686.46 = 13,615.58 : x
  2. Step 2: Convert to fraction form
    23,687.12/32,686.46 = 13,615.58/x
  3. Step 3: Cross multiply
    23,687.12x = 32,686.46 × 13,615.58
  4. Step 4: Simplify right side
    23,687.12x = 445,045,111.05
  5. Step 5: Solve for x
    x = 445,045,111.05/23,687.12
  6. Step 6: Final answer
    x = 18,788.49

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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.