Home / 14,573.49-21,857.88-5,211.92

Finding the Fourth Proportional to 14,573.49, 21,857.88 and 5,211.92

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Solution

The fourth proportional to 14,573.49, 21,857.88 and 5,211.92 is: 7,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,573.49 : 21,857.88 = 5,211.92 : x
  2. Step 2: Convert to fraction form
    14,573.49/21,857.88 = 5,211.92/x
  3. Step 3: Cross multiply
    14,573.49x = 21,857.88 × 5,211.92
  4. Step 4: Simplify right side
    14,573.49x = 113,921,521.93
  5. Step 5: Solve for x
    x = 113,921,521.93/14,573.49
  6. Step 6: Final answer
    x = 7,817.04

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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.