Home / 19,981.16-27,573.58-10,906.22

Finding the Fourth Proportional to 19,981.16, 27,573.58 and 10,906.22

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Solution

The fourth proportional to 19,981.16, 27,573.58 and 10,906.22 is: 15,050.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981.16 : 27,573.58 = 10,906.22 : x
  2. Step 2: Convert to fraction form
    19,981.16/27,573.58 = 10,906.22/x
  3. Step 3: Cross multiply
    19,981.16x = 27,573.58 × 10,906.22
  4. Step 4: Simplify right side
    19,981.16x = 300,723,529.67
  5. Step 5: Solve for x
    x = 300,723,529.67/19,981.16
  6. Step 6: Final answer
    x = 15,050.35

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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.