Home / 19,761.91-27,258.93-12,101.64

Finding the Fourth Proportional to 19,761.91, 27,258.93 and 12,101.64

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Solution

The fourth proportional to 19,761.91, 27,258.93 and 12,101.64 is: 16,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761.91 : 27,258.93 = 12,101.64 : x
  2. Step 2: Convert to fraction form
    19,761.91/27,258.93 = 12,101.64/x
  3. Step 3: Cross multiply
    19,761.91x = 27,258.93 × 12,101.64
  4. Step 4: Simplify right side
    19,761.91x = 329,877,655.42
  5. Step 5: Solve for x
    x = 329,877,655.42/19,761.91
  6. Step 6: Final answer
    x = 16,692.60

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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.