Home / 17,150.83-25,681.19-13,801.28

Finding the Fourth Proportional to 17,150.83, 25,681.19 and 13,801.28

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Solution

The fourth proportional to 17,150.83, 25,681.19 and 13,801.28 is: 20,665.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,150.83 : 25,681.19 = 13,801.28 : x
  2. Step 2: Convert to fraction form
    17,150.83/25,681.19 = 13,801.28/x
  3. Step 3: Cross multiply
    17,150.83x = 25,681.19 × 13,801.28
  4. Step 4: Simplify right side
    17,150.83x = 354,433,096.51
  5. Step 5: Solve for x
    x = 354,433,096.51/17,150.83
  6. Step 6: Final answer
    x = 20,665.66

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1.5x scale

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.