Home / 12,056.45-18,166.82-9,913.19

Finding the Fourth Proportional to 12,056.45, 18,166.82 and 9,913.19

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Solution

The fourth proportional to 12,056.45, 18,166.82 and 9,913.19 is: 14,937.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.45 : 18,166.82 = 9,913.19 : x
  2. Step 2: Convert to fraction form
    12,056.45/18,166.82 = 9,913.19/x
  3. Step 3: Cross multiply
    12,056.45x = 18,166.82 × 9,913.19
  4. Step 4: Simplify right side
    12,056.45x = 180,090,997.96
  5. Step 5: Solve for x
    x = 180,090,997.96/12,056.45
  6. Step 6: Final answer
    x = 14,937.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.