Home / 19,342.83-26,691.09-11,384.58

Finding the Fourth Proportional to 19,342.83, 26,691.09 and 11,384.58

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Solution

The fourth proportional to 19,342.83, 26,691.09 and 11,384.58 is: 15,709.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,342.83 : 26,691.09 = 11,384.58 : x
  2. Step 2: Convert to fraction form
    19,342.83/26,691.09 = 11,384.58/x
  3. Step 3: Cross multiply
    19,342.83x = 26,691.09 × 11,384.58
  4. Step 4: Simplify right side
    19,342.83x = 303,866,849.39
  5. Step 5: Solve for x
    x = 303,866,849.39/19,342.83
  6. Step 6: Final answer
    x = 15,709.53

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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.