Home / 12,446.55-17,193.02-11,560.81

Finding the Fourth Proportional to 12,446.55, 17,193.02 and 11,560.81

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Solution

The fourth proportional to 12,446.55, 17,193.02 and 11,560.81 is: 15,969.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.55 : 17,193.02 = 11,560.81 : x
  2. Step 2: Convert to fraction form
    12,446.55/17,193.02 = 11,560.81/x
  3. Step 3: Cross multiply
    12,446.55x = 17,193.02 × 11,560.81
  4. Step 4: Simplify right side
    12,446.55x = 198,765,237.55
  5. Step 5: Solve for x
    x = 198,765,237.55/12,446.55
  6. Step 6: Final answer
    x = 15,969.50

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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.