Home / 19,870.32-29,761.74-11,083.44

Finding the Fourth Proportional to 19,870.32, 29,761.74 and 11,083.44

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Solution

The fourth proportional to 19,870.32, 29,761.74 and 11,083.44 is: 16,600.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,870.32 : 29,761.74 = 11,083.44 : x
  2. Step 2: Convert to fraction form
    19,870.32/29,761.74 = 11,083.44/x
  3. Step 3: Cross multiply
    19,870.32x = 29,761.74 × 11,083.44
  4. Step 4: Simplify right side
    19,870.32x = 329,862,459.59
  5. Step 5: Solve for x
    x = 329,862,459.59/19,870.32
  6. Step 6: Final answer
    x = 16,600.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.