Home / 29,381.13-40,546.83-15,953.25

Finding the Fourth Proportional to 29,381.13, 40,546.83 and 15,953.25

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Solution

The fourth proportional to 29,381.13, 40,546.83 and 15,953.25 is: 22,015.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,381.13 : 40,546.83 = 15,953.25 : x
  2. Step 2: Convert to fraction form
    29,381.13/40,546.83 = 15,953.25/x
  3. Step 3: Cross multiply
    29,381.13x = 40,546.83 × 15,953.25
  4. Step 4: Simplify right side
    29,381.13x = 646,853,837.84
  5. Step 5: Solve for x
    x = 646,853,837.84/29,381.13
  6. Step 6: Final answer
    x = 22,015.96

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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.