Home / 19,553.96-26,981.64-10,940.09

Finding the Fourth Proportional to 19,553.96, 26,981.64 and 10,940.09

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Solution

The fourth proportional to 19,553.96, 26,981.64 and 10,940.09 is: 15,095.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,553.96 : 26,981.64 = 10,940.09 : x
  2. Step 2: Convert to fraction form
    19,553.96/26,981.64 = 10,940.09/x
  3. Step 3: Cross multiply
    19,553.96x = 26,981.64 × 10,940.09
  4. Step 4: Simplify right side
    19,553.96x = 295,181,586.81
  5. Step 5: Solve for x
    x = 295,181,586.81/19,553.96
  6. Step 6: Final answer
    x = 15,095.74

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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.