Home / 14,112.42-19,459.98-11,898.70

Finding the Fourth Proportional to 14,112.42, 19,459.98 and 11,898.70

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Solution

The fourth proportional to 14,112.42, 19,459.98 and 11,898.70 is: 16,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.42 : 19,459.98 = 11,898.70 : x
  2. Step 2: Convert to fraction form
    14,112.42/19,459.98 = 11,898.70/x
  3. Step 3: Cross multiply
    14,112.42x = 19,459.98 × 11,898.70
  4. Step 4: Simplify right side
    14,112.42x = 231,548,464.03
  5. Step 5: Solve for x
    x = 231,548,464.03/14,112.42
  6. Step 6: Final answer
    x = 16,407.42

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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.