Home / 22,385.66-30,876.39-19,005.21

Finding the Fourth Proportional to 22,385.66, 30,876.39 and 19,005.21

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Solution

The fourth proportional to 22,385.66, 30,876.39 and 19,005.21 is: 26,213.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,385.66 : 30,876.39 = 19,005.21 : x
  2. Step 2: Convert to fraction form
    22,385.66/30,876.39 = 19,005.21/x
  3. Step 3: Cross multiply
    22,385.66x = 30,876.39 × 19,005.21
  4. Step 4: Simplify right side
    22,385.66x = 586,812,275.99
  5. Step 5: Solve for x
    x = 586,812,275.99/22,385.66
  6. Step 6: Final answer
    x = 26,213.76

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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.