Home / 19,109.10-28,666.53-5,962.50

Finding the Fourth Proportional to 19,109.10, 28,666.53 and 5,962.50

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Solution

The fourth proportional to 19,109.10, 28,666.53 and 5,962.50 is: 8,944.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.10 : 28,666.53 = 5,962.50 : x
  2. Step 2: Convert to fraction form
    19,109.10/28,666.53 = 5,962.50/x
  3. Step 3: Cross multiply
    19,109.10x = 28,666.53 × 5,962.50
  4. Step 4: Simplify right side
    19,109.10x = 170,924,185.13
  5. Step 5: Solve for x
    x = 170,924,185.13/19,109.10
  6. Step 6: Final answer
    x = 8,944.65

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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.