Home / 13,129.29-17,973.43-13,035.48

Finding the Fourth Proportional to 13,129.29, 17,973.43 and 13,035.48

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Solution

The fourth proportional to 13,129.29, 17,973.43 and 13,035.48 is: 17,845.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,129.29 : 17,973.43 = 13,035.48 : x
  2. Step 2: Convert to fraction form
    13,129.29/17,973.43 = 13,035.48/x
  3. Step 3: Cross multiply
    13,129.29x = 17,973.43 × 13,035.48
  4. Step 4: Simplify right side
    13,129.29x = 234,292,288.41
  5. Step 5: Solve for x
    x = 234,292,288.41/13,129.29
  6. Step 6: Final answer
    x = 17,845.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.