Home / 14,228.62-19,644.76-12,733.98

Finding the Fourth Proportional to 14,228.62, 19,644.76 and 12,733.98

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Solution

The fourth proportional to 14,228.62, 19,644.76 and 12,733.98 is: 17,581.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.62 : 19,644.76 = 12,733.98 : x
  2. Step 2: Convert to fraction form
    14,228.62/19,644.76 = 12,733.98/x
  3. Step 3: Cross multiply
    14,228.62x = 19,644.76 × 12,733.98
  4. Step 4: Simplify right side
    14,228.62x = 250,155,980.94
  5. Step 5: Solve for x
    x = 250,155,980.94/14,228.62
  6. Step 6: Final answer
    x = 17,581.18

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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.