Home / 17,271.04-25,877.40-13,801

Finding the Fourth Proportional to 17,271.04, 25,877.40 and 13,801

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Solution

The fourth proportional to 17,271.04, 25,877.40 and 13,801 is: 20,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,271.04 : 25,877.40 = 13,801 : x
  2. Step 2: Convert to fraction form
    17,271.04/25,877.40 = 13,801/x
  3. Step 3: Cross multiply
    17,271.04x = 25,877.40 × 13,801
  4. Step 4: Simplify right side
    17,271.04x = 357,133,997.40
  5. Step 5: Solve for x
    x = 357,133,997.40/17,271.04
  6. Step 6: Final answer
    x = 20,678.20

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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.