Home / 19,900.98-27,466.02-12,847.92

Finding the Fourth Proportional to 19,900.98, 27,466.02 and 12,847.92

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Solution

The fourth proportional to 19,900.98, 27,466.02 and 12,847.92 is: 17,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,900.98 : 27,466.02 = 12,847.92 : x
  2. Step 2: Convert to fraction form
    19,900.98/27,466.02 = 12,847.92/x
  3. Step 3: Cross multiply
    19,900.98x = 27,466.02 × 12,847.92
  4. Step 4: Simplify right side
    19,900.98x = 352,881,227.68
  5. Step 5: Solve for x
    x = 352,881,227.68/19,900.98
  6. Step 6: Final answer
    x = 17,731.85

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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.