Home / 19,326.24-28,999.08-14,405.76

Finding the Fourth Proportional to 19,326.24, 28,999.08 and 14,405.76

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Solution

The fourth proportional to 19,326.24, 28,999.08 and 14,405.76 is: 21,615.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.24 : 28,999.08 = 14,405.76 : x
  2. Step 2: Convert to fraction form
    19,326.24/28,999.08 = 14,405.76/x
  3. Step 3: Cross multiply
    19,326.24x = 28,999.08 × 14,405.76
  4. Step 4: Simplify right side
    19,326.24x = 417,753,786.70
  5. Step 5: Solve for x
    x = 417,753,786.70/19,326.24
  6. Step 6: Final answer
    x = 21,615.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.