Home / 20,416.33-28,153.81-19,225.76

Finding the Fourth Proportional to 20,416.33, 28,153.81 and 19,225.76

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Solution

The fourth proportional to 20,416.33, 28,153.81 and 19,225.76 is: 26,512.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,416.33 : 28,153.81 = 19,225.76 : x
  2. Step 2: Convert to fraction form
    20,416.33/28,153.81 = 19,225.76/x
  3. Step 3: Cross multiply
    20,416.33x = 28,153.81 × 19,225.76
  4. Step 4: Simplify right side
    20,416.33x = 541,278,416.47
  5. Step 5: Solve for x
    x = 541,278,416.47/20,416.33
  6. Step 6: Final answer
    x = 26,512.04

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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.