Home / 13,801.83-19,035.45-9,021.39

Finding the Fourth Proportional to 13,801.83, 19,035.45 and 9,021.39

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Solution

The fourth proportional to 13,801.83, 19,035.45 and 9,021.39 is: 12,442.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.83 : 19,035.45 = 9,021.39 : x
  2. Step 2: Convert to fraction form
    13,801.83/19,035.45 = 9,021.39/x
  3. Step 3: Cross multiply
    13,801.83x = 19,035.45 × 9,021.39
  4. Step 4: Simplify right side
    13,801.83x = 171,726,218.28
  5. Step 5: Solve for x
    x = 171,726,218.28/13,801.83
  6. Step 6: Final answer
    x = 12,442.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.