Home / 14,102.04-21,160.30-7,176.52

Finding the Fourth Proportional to 14,102.04, 21,160.30 and 7,176.52

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Solution

The fourth proportional to 14,102.04, 21,160.30 and 7,176.52 is: 10,768.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.04 : 21,160.30 = 7,176.52 : x
  2. Step 2: Convert to fraction form
    14,102.04/21,160.30 = 7,176.52/x
  3. Step 3: Cross multiply
    14,102.04x = 21,160.30 × 7,176.52
  4. Step 4: Simplify right side
    14,102.04x = 151,857,316.16
  5. Step 5: Solve for x
    x = 151,857,316.16/14,102.04
  6. Step 6: Final answer
    x = 10,768.46

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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.