Home / 14,305.40-19,774.50-11,933.72

Finding the Fourth Proportional to 14,305.40, 19,774.50 and 11,933.72

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Solution

The fourth proportional to 14,305.40, 19,774.50 and 11,933.72 is: 16,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.40 : 19,774.50 = 11,933.72 : x
  2. Step 2: Convert to fraction form
    14,305.40/19,774.50 = 11,933.72/x
  3. Step 3: Cross multiply
    14,305.40x = 19,774.50 × 11,933.72
  4. Step 4: Simplify right side
    14,305.40x = 235,983,346.14
  5. Step 5: Solve for x
    x = 235,983,346.14/14,305.40
  6. Step 6: Final answer
    x = 16,496.10

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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.