Home / 14,009.20-19,335.99-8,708.02

Finding the Fourth Proportional to 14,009.20, 19,335.99 and 8,708.02

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Solution

The fourth proportional to 14,009.20, 19,335.99 and 8,708.02 is: 12,019.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.20 : 19,335.99 = 8,708.02 : x
  2. Step 2: Convert to fraction form
    14,009.20/19,335.99 = 8,708.02/x
  3. Step 3: Cross multiply
    14,009.20x = 19,335.99 × 8,708.02
  4. Step 4: Simplify right side
    14,009.20x = 168,378,187.64
  5. Step 5: Solve for x
    x = 168,378,187.64/14,009.20
  6. Step 6: Final answer
    x = 12,019.12

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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.