Home / 29,892.06-41,223.57-19,678.76

Finding the Fourth Proportional to 29,892.06, 41,223.57 and 19,678.76

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Solution

The fourth proportional to 29,892.06, 41,223.57 and 19,678.76 is: 27,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,892.06 : 41,223.57 = 19,678.76 : x
  2. Step 2: Convert to fraction form
    29,892.06/41,223.57 = 19,678.76/x
  3. Step 3: Cross multiply
    29,892.06x = 41,223.57 × 19,678.76
  4. Step 4: Simplify right side
    29,892.06x = 811,228,740.37
  5. Step 5: Solve for x
    x = 811,228,740.37/29,892.06
  6. Step 6: Final answer
    x = 27,138.60

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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.