Home / 14,024.88-19,353.84-8,434.80

Finding the Fourth Proportional to 14,024.88, 19,353.84 and 8,434.80

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Solution

The fourth proportional to 14,024.88, 19,353.84 and 8,434.80 is: 11,639.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,024.88 : 19,353.84 = 8,434.80 : x
  2. Step 2: Convert to fraction form
    14,024.88/19,353.84 = 8,434.80/x
  3. Step 3: Cross multiply
    14,024.88x = 19,353.84 × 8,434.80
  4. Step 4: Simplify right side
    14,024.88x = 163,245,769.63
  5. Step 5: Solve for x
    x = 163,245,769.63/14,024.88
  6. Step 6: Final answer
    x = 11,639.73

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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.