Home / 23,515.41-32,451.77-12,905.04

Finding the Fourth Proportional to 23,515.41, 32,451.77 and 12,905.04

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Solution

The fourth proportional to 23,515.41, 32,451.77 and 12,905.04 is: 17,809.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,515.41 : 32,451.77 = 12,905.04 : x
  2. Step 2: Convert to fraction form
    23,515.41/32,451.77 = 12,905.04/x
  3. Step 3: Cross multiply
    23,515.41x = 32,451.77 × 12,905.04
  4. Step 4: Simplify right side
    23,515.41x = 418,791,389.92
  5. Step 5: Solve for x
    x = 418,791,389.92/23,515.41
  6. Step 6: Final answer
    x = 17,809.23

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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.