Home / 23,282.34-32,129.76-12,672.05

Finding the Fourth Proportional to 23,282.34, 32,129.76 and 12,672.05

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Solution

The fourth proportional to 23,282.34, 32,129.76 and 12,672.05 is: 17,487.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,282.34 : 32,129.76 = 12,672.05 : x
  2. Step 2: Convert to fraction form
    23,282.34/32,129.76 = 12,672.05/x
  3. Step 3: Cross multiply
    23,282.34x = 32,129.76 × 12,672.05
  4. Step 4: Simplify right side
    23,282.34x = 407,149,812.08
  5. Step 5: Solve for x
    x = 407,149,812.08/23,282.34
  6. Step 6: Final answer
    x = 17,487.50

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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.