Home / 19,351.79-26,711.00-11,398.60

Finding the Fourth Proportional to 19,351.79, 26,711.00 and 11,398.60

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Solution

The fourth proportional to 19,351.79, 26,711.00 and 11,398.60 is: 15,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.79 : 26,711.00 = 11,398.60 : x
  2. Step 2: Convert to fraction form
    19,351.79/26,711.00 = 11,398.60/x
  3. Step 3: Cross multiply
    19,351.79x = 26,711.00 × 11,398.60
  4. Step 4: Simplify right side
    19,351.79x = 304,467,814.05
  5. Step 5: Solve for x
    x = 304,467,814.05/19,351.79
  6. Step 6: Final answer
    x = 15,733.32

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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.