Home / 23,515.88-32,451.90-12,905.48

Finding the Fourth Proportional to 23,515.88, 32,451.90 and 12,905.48

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Solution

The fourth proportional to 23,515.88, 32,451.90 and 12,905.48 is: 17,809.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,515.88 : 32,451.90 = 12,905.48 : x
  2. Step 2: Convert to fraction form
    23,515.88/32,451.90 = 12,905.48/x
  3. Step 3: Cross multiply
    23,515.88x = 32,451.90 × 12,905.48
  4. Step 4: Simplify right side
    23,515.88x = 418,807,346.41
  5. Step 5: Solve for x
    x = 418,807,346.41/23,515.88
  6. Step 6: Final answer
    x = 17,809.55

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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.