Home / 19,135.73-26,242.55-18,337.47

Finding the Fourth Proportional to 19,135.73, 26,242.55 and 18,337.47

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Solution

The fourth proportional to 19,135.73, 26,242.55 and 18,337.47 is: 25,147.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.73 : 26,242.55 = 18,337.47 : x
  2. Step 2: Convert to fraction form
    19,135.73/26,242.55 = 18,337.47/x
  3. Step 3: Cross multiply
    19,135.73x = 26,242.55 × 18,337.47
  4. Step 4: Simplify right side
    19,135.73x = 481,221,881.66
  5. Step 5: Solve for x
    x = 481,221,881.66/19,135.73
  6. Step 6: Final answer
    x = 25,147.83

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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.