Home / 19,821.64-27,339.54-16,832.76

Finding the Fourth Proportional to 19,821.64, 27,339.54 and 16,832.76

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Solution

The fourth proportional to 19,821.64, 27,339.54 and 16,832.76 is: 23,217.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821.64 : 27,339.54 = 16,832.76 : x
  2. Step 2: Convert to fraction form
    19,821.64/27,339.54 = 16,832.76/x
  3. Step 3: Cross multiply
    19,821.64x = 27,339.54 × 16,832.76
  4. Step 4: Simplify right side
    19,821.64x = 460,199,915.33
  5. Step 5: Solve for x
    x = 460,199,915.33/19,821.64
  6. Step 6: Final answer
    x = 23,217.05

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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.