Home / 19,973.55-27,557.07-13,260.48

Finding the Fourth Proportional to 19,973.55, 27,557.07 and 13,260.48

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Solution

The fourth proportional to 19,973.55, 27,557.07 and 13,260.48 is: 18,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.55 : 27,557.07 = 13,260.48 : x
  2. Step 2: Convert to fraction form
    19,973.55/27,557.07 = 13,260.48/x
  3. Step 3: Cross multiply
    19,973.55x = 27,557.07 × 13,260.48
  4. Step 4: Simplify right side
    19,973.55x = 365,419,975.59
  5. Step 5: Solve for x
    x = 365,419,975.59/19,973.55
  6. Step 6: Final answer
    x = 18,295.19

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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.