Home / 19,816.50-27,346.89-10,864.02

Finding the Fourth Proportional to 19,816.50, 27,346.89 and 10,864.02

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Solution

The fourth proportional to 19,816.50, 27,346.89 and 10,864.02 is: 14,992.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.50 : 27,346.89 = 10,864.02 : x
  2. Step 2: Convert to fraction form
    19,816.50/27,346.89 = 10,864.02/x
  3. Step 3: Cross multiply
    19,816.50x = 27,346.89 × 10,864.02
  4. Step 4: Simplify right side
    19,816.50x = 297,097,159.90
  5. Step 5: Solve for x
    x = 297,097,159.90/19,816.50
  6. Step 6: Final answer
    x = 14,992.41

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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.