Home / 19,548.55-26,959.56-15,242.69

Finding the Fourth Proportional to 19,548.55, 26,959.56 and 15,242.69

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Solution

The fourth proportional to 19,548.55, 26,959.56 and 15,242.69 is: 21,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,548.55 : 26,959.56 = 15,242.69 : x
  2. Step 2: Convert to fraction form
    19,548.55/26,959.56 = 15,242.69/x
  3. Step 3: Cross multiply
    19,548.55x = 26,959.56 × 15,242.69
  4. Step 4: Simplify right side
    19,548.55x = 410,936,215.62
  5. Step 5: Solve for x
    x = 410,936,215.62/19,548.55
  6. Step 6: Final answer
    x = 21,021.32

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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.