Home / 23,540.82-32,486.84-12,931.03

Finding the Fourth Proportional to 23,540.82, 32,486.84 and 12,931.03

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Solution

The fourth proportional to 23,540.82, 32,486.84 and 12,931.03 is: 17,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,540.82 : 32,486.84 = 12,931.03 : x
  2. Step 2: Convert to fraction form
    23,540.82/32,486.84 = 12,931.03/x
  3. Step 3: Cross multiply
    23,540.82x = 32,486.84 × 12,931.03
  4. Step 4: Simplify right side
    23,540.82x = 420,088,302.65
  5. Step 5: Solve for x
    x = 420,088,302.65/23,540.82
  6. Step 6: Final answer
    x = 17,845.10

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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.