Home / 19,927.46-27,500.74-11,431.98

Finding the Fourth Proportional to 19,927.46, 27,500.74 and 11,431.98

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Solution

The fourth proportional to 19,927.46, 27,500.74 and 11,431.98 is: 15,776.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.46 : 27,500.74 = 11,431.98 : x
  2. Step 2: Convert to fraction form
    19,927.46/27,500.74 = 11,431.98/x
  3. Step 3: Cross multiply
    19,927.46x = 27,500.74 × 11,431.98
  4. Step 4: Simplify right side
    19,927.46x = 314,387,715.00
  5. Step 5: Solve for x
    x = 314,387,715.00/19,927.46
  6. Step 6: Final answer
    x = 15,776.61

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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.