Home / 19,866.48-27,414.63-11,904.72

Finding the Fourth Proportional to 19,866.48, 27,414.63 and 11,904.72

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Solution

The fourth proportional to 19,866.48, 27,414.63 and 11,904.72 is: 16,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.48 : 27,414.63 = 11,904.72 : x
  2. Step 2: Convert to fraction form
    19,866.48/27,414.63 = 11,904.72/x
  3. Step 3: Cross multiply
    19,866.48x = 27,414.63 × 11,904.72
  4. Step 4: Simplify right side
    19,866.48x = 326,363,494.05
  5. Step 5: Solve for x
    x = 326,363,494.05/19,866.48
  6. Step 6: Final answer
    x = 16,427.85

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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.