Home / 19,823.67-27,356.04-10,871.01

Finding the Fourth Proportional to 19,823.67, 27,356.04 and 10,871.01

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Solution

The fourth proportional to 19,823.67, 27,356.04 and 10,871.01 is: 15,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.67 : 27,356.04 = 10,871.01 : x
  2. Step 2: Convert to fraction form
    19,823.67/27,356.04 = 10,871.01/x
  3. Step 3: Cross multiply
    19,823.67x = 27,356.04 × 10,871.01
  4. Step 4: Simplify right side
    19,823.67x = 297,387,784.40
  5. Step 5: Solve for x
    x = 297,387,784.40/19,823.67
  6. Step 6: Final answer
    x = 15,001.65

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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.