Home / 14,440.64-19,928.24-8,472.41

Finding the Fourth Proportional to 14,440.64, 19,928.24 and 8,472.41

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Solution

The fourth proportional to 14,440.64, 19,928.24 and 8,472.41 is: 11,692.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.64 : 19,928.24 = 8,472.41 : x
  2. Step 2: Convert to fraction form
    14,440.64/19,928.24 = 8,472.41/x
  3. Step 3: Cross multiply
    14,440.64x = 19,928.24 × 8,472.41
  4. Step 4: Simplify right side
    14,440.64x = 168,840,141.40
  5. Step 5: Solve for x
    x = 168,840,141.40/14,440.64
  6. Step 6: Final answer
    x = 11,692.02

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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.