Home / 21,785.46-32,625.54-12,397.04

Finding the Fourth Proportional to 21,785.46, 32,625.54 and 12,397.04

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Solution

The fourth proportional to 21,785.46, 32,625.54 and 12,397.04 is: 18,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,785.46 : 32,625.54 = 12,397.04 : x
  2. Step 2: Convert to fraction form
    21,785.46/32,625.54 = 12,397.04/x
  3. Step 3: Cross multiply
    21,785.46x = 32,625.54 × 12,397.04
  4. Step 4: Simplify right side
    21,785.46x = 404,460,124.40
  5. Step 5: Solve for x
    x = 404,460,124.40/21,785.46
  6. Step 6: Final answer
    x = 18,565.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.