Home / 16,819.16-23,042.36-16,188.58

Finding the Fourth Proportional to 16,819.16, 23,042.36 and 16,188.58

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Solution

The fourth proportional to 16,819.16, 23,042.36 and 16,188.58 is: 22,178.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.16 : 23,042.36 = 16,188.58 : x
  2. Step 2: Convert to fraction form
    16,819.16/23,042.36 = 16,188.58/x
  3. Step 3: Cross multiply
    16,819.16x = 23,042.36 × 16,188.58
  4. Step 4: Simplify right side
    16,819.16x = 373,023,088.25
  5. Step 5: Solve for x
    x = 373,023,088.25/16,819.16
  6. Step 6: Final answer
    x = 22,178.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.