Home / 13,898.98-19,167.73-12,299.70

Finding the Fourth Proportional to 13,898.98, 19,167.73 and 12,299.70

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Solution

The fourth proportional to 13,898.98, 19,167.73 and 12,299.70 is: 16,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.98 : 19,167.73 = 12,299.70 : x
  2. Step 2: Convert to fraction form
    13,898.98/19,167.73 = 12,299.70/x
  3. Step 3: Cross multiply
    13,898.98x = 19,167.73 × 12,299.70
  4. Step 4: Simplify right side
    13,898.98x = 235,757,328.68
  5. Step 5: Solve for x
    x = 235,757,328.68/13,898.98
  6. Step 6: Final answer
    x = 16,962.20

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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.