Home / 29,101.56-43,612.86-13,286.99

Finding the Fourth Proportional to 29,101.56, 43,612.86 and 13,286.99

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Solution

The fourth proportional to 29,101.56, 43,612.86 and 13,286.99 is: 19,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,101.56 : 43,612.86 = 13,286.99 : x
  2. Step 2: Convert to fraction form
    29,101.56/43,612.86 = 13,286.99/x
  3. Step 3: Cross multiply
    29,101.56x = 43,612.86 × 13,286.99
  4. Step 4: Simplify right side
    29,101.56x = 579,483,449.84
  5. Step 5: Solve for x
    x = 579,483,449.84/29,101.56
  6. Step 6: Final answer
    x = 19,912.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.