Home / 21,927.96-30,260.58-12,496.50

Finding the Fourth Proportional to 21,927.96, 30,260.58 and 12,496.50

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Solution

The fourth proportional to 21,927.96, 30,260.58 and 12,496.50 is: 17,245.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.96 : 30,260.58 = 12,496.50 : x
  2. Step 2: Convert to fraction form
    21,927.96/30,260.58 = 12,496.50/x
  3. Step 3: Cross multiply
    21,927.96x = 30,260.58 × 12,496.50
  4. Step 4: Simplify right side
    21,927.96x = 378,151,337.97
  5. Step 5: Solve for x
    x = 378,151,337.97/21,927.96
  6. Step 6: Final answer
    x = 17,245.17

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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.