Home / 12,161.17-18,146.53-10,586.53

Finding the Fourth Proportional to 12,161.17, 18,146.53 and 10,586.53

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Solution

The fourth proportional to 12,161.17, 18,146.53 and 10,586.53 is: 15,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161.17 : 18,146.53 = 10,586.53 : x
  2. Step 2: Convert to fraction form
    12,161.17/18,146.53 = 10,586.53/x
  3. Step 3: Cross multiply
    12,161.17x = 18,146.53 × 10,586.53
  4. Step 4: Simplify right side
    12,161.17x = 192,108,784.24
  5. Step 5: Solve for x
    x = 192,108,784.24/12,161.17
  6. Step 6: Final answer
    x = 15,796.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.