Home / 22,312.45-30,792.03-12,241.31

Finding the Fourth Proportional to 22,312.45, 30,792.03 and 12,241.31

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Solution

The fourth proportional to 22,312.45, 30,792.03 and 12,241.31 is: 16,893.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,312.45 : 30,792.03 = 12,241.31 : x
  2. Step 2: Convert to fraction form
    22,312.45/30,792.03 = 12,241.31/x
  3. Step 3: Cross multiply
    22,312.45x = 30,792.03 × 12,241.31
  4. Step 4: Simplify right side
    22,312.45x = 376,934,784.76
  5. Step 5: Solve for x
    x = 376,934,784.76/22,312.45
  6. Step 6: Final answer
    x = 16,893.47

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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.