Home / 13,204.16-19,819.20-9,925.28

Finding the Fourth Proportional to 13,204.16, 19,819.20 and 9,925.28

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Solution

The fourth proportional to 13,204.16, 19,819.20 and 9,925.28 is: 14,897.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.16 : 19,819.20 = 9,925.28 : x
  2. Step 2: Convert to fraction form
    13,204.16/19,819.20 = 9,925.28/x
  3. Step 3: Cross multiply
    13,204.16x = 19,819.20 × 9,925.28
  4. Step 4: Simplify right side
    13,204.16x = 196,711,109.38
  5. Step 5: Solve for x
    x = 196,711,109.38/13,204.16
  6. Step 6: Final answer
    x = 14,897.66

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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.