Home / 19,928.46-27,471.21-16,385.52

Finding the Fourth Proportional to 19,928.46, 27,471.21 and 16,385.52

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Solution

The fourth proportional to 19,928.46, 27,471.21 and 16,385.52 is: 22,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.46 : 27,471.21 = 16,385.52 : x
  2. Step 2: Convert to fraction form
    19,928.46/27,471.21 = 16,385.52/x
  3. Step 3: Cross multiply
    19,928.46x = 27,471.21 × 16,385.52
  4. Step 4: Simplify right side
    19,928.46x = 450,130,060.88
  5. Step 5: Solve for x
    x = 450,130,060.88/19,928.46
  6. Step 6: Final answer
    x = 22,587.30

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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.