Home / 19,501.92-26,911.44-11,005.38

Finding the Fourth Proportional to 19,501.92, 26,911.44 and 11,005.38

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Solution

The fourth proportional to 19,501.92, 26,911.44 and 11,005.38 is: 15,186.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,501.92 : 26,911.44 = 11,005.38 : x
  2. Step 2: Convert to fraction form
    19,501.92/26,911.44 = 11,005.38/x
  3. Step 3: Cross multiply
    19,501.92x = 26,911.44 × 11,005.38
  4. Step 4: Simplify right side
    19,501.92x = 296,170,623.55
  5. Step 5: Solve for x
    x = 296,170,623.55/19,501.92
  6. Step 6: Final answer
    x = 15,186.74

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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.