Home / 14,308.13-19,747.04-8,020.50

Finding the Fourth Proportional to 14,308.13, 19,747.04 and 8,020.50

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Solution

The fourth proportional to 14,308.13, 19,747.04 and 8,020.50 is: 11,069.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,308.13 : 19,747.04 = 8,020.50 : x
  2. Step 2: Convert to fraction form
    14,308.13/19,747.04 = 8,020.50/x
  3. Step 3: Cross multiply
    14,308.13x = 19,747.04 × 8,020.50
  4. Step 4: Simplify right side
    14,308.13x = 158,381,094.22
  5. Step 5: Solve for x
    x = 158,381,094.22/14,308.13
  6. Step 6: Final answer
    x = 11,069.31

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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.