Home / 13,929.47-20,897.44-4,695.47

Finding the Fourth Proportional to 13,929.47, 20,897.44 and 4,695.47

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Solution

The fourth proportional to 13,929.47, 20,897.44 and 4,695.47 is: 7,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929.47 : 20,897.44 = 4,695.47 : x
  2. Step 2: Convert to fraction form
    13,929.47/20,897.44 = 4,695.47/x
  3. Step 3: Cross multiply
    13,929.47x = 20,897.44 × 4,695.47
  4. Step 4: Simplify right side
    13,929.47x = 98,123,291.15
  5. Step 5: Solve for x
    x = 98,123,291.15/13,929.47
  6. Step 6: Final answer
    x = 7,044.30

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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.