Home / 19,730.26-27,227.74-11,346.76

Finding the Fourth Proportional to 19,730.26, 27,227.74 and 11,346.76

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Solution

The fourth proportional to 19,730.26, 27,227.74 and 11,346.76 is: 15,658.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.26 : 27,227.74 = 11,346.76 : x
  2. Step 2: Convert to fraction form
    19,730.26/27,227.74 = 11,346.76/x
  3. Step 3: Cross multiply
    19,730.26x = 27,227.74 × 11,346.76
  4. Step 4: Simplify right side
    19,730.26x = 308,946,631.12
  5. Step 5: Solve for x
    x = 308,946,631.12/19,730.26
  6. Step 6: Final answer
    x = 15,658.52

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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.